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Finding the Fourth Proportional to 305,872.40, 458,873.40 and 92,622.80

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Solution

The fourth proportional to 305,872.40, 458,873.40 and 92,622.80 is: 138,953.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,872.40 : 458,873.40 = 92,622.80 : x
  2. Step 2: Convert to fraction form
    305,872.40/458,873.40 = 92,622.80/x
  3. Step 3: Cross multiply
    305,872.40x = 458,873.40 × 92,622.80
  4. Step 4: Simplify right side
    305,872.40x = 42,502,139,153.52
  5. Step 5: Solve for x
    x = 42,502,139,153.52/305,872.40
  6. Step 6: Final answer
    x = 138,953.82

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