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Finding the Fourth Proportional to 60,428.70, 90,643.05 and 44,682.30

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Solution

The fourth proportional to 60,428.70, 90,643.05 and 44,682.30 is: 67,023.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,428.70 : 90,643.05 = 44,682.30 : x
  2. Step 2: Convert to fraction form
    60,428.70/90,643.05 = 44,682.30/x
  3. Step 3: Cross multiply
    60,428.70x = 90,643.05 × 44,682.30
  4. Step 4: Simplify right side
    60,428.70x = 4,050,139,953.02
  5. Step 5: Solve for x
    x = 4,050,139,953.02/60,428.70
  6. Step 6: Final answer
    x = 67,023.45

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