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Finding the Fourth Proportional to 346,529.55, 519,793.99 and 130,428.63

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Solution

The fourth proportional to 346,529.55, 519,793.99 and 130,428.63 is: 195,642.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,529.55 : 519,793.99 = 130,428.63 : x
  2. Step 2: Convert to fraction form
    346,529.55/519,793.99 = 130,428.63/x
  3. Step 3: Cross multiply
    346,529.55x = 519,793.99 × 130,428.63
  4. Step 4: Simplify right side
    346,529.55x = 67,796,017,997.93
  5. Step 5: Solve for x
    x = 67,796,017,997.93/346,529.55
  6. Step 6: Final answer
    x = 195,642.82

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