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Finding the Fourth Proportional to 124,428.79, 186,643.32 and 30,934.54

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Solution

The fourth proportional to 124,428.79, 186,643.32 and 30,934.54 is: 46,401.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,428.79 : 186,643.32 = 30,934.54 : x
  2. Step 2: Convert to fraction form
    124,428.79/186,643.32 = 30,934.54/x
  3. Step 3: Cross multiply
    124,428.79x = 186,643.32 × 30,934.54
  4. Step 4: Simplify right side
    124,428.79x = 5,773,725,248.27
  5. Step 5: Solve for x
    x = 5,773,725,248.27/124,428.79
  6. Step 6: Final answer
    x = 46,401.84

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