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Finding the Fourth Proportional to 30,916.95, 46,359.90 and 15,123.18

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Solution

The fourth proportional to 30,916.95, 46,359.90 and 15,123.18 is: 22,677.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,916.95 : 46,359.90 = 15,123.18 : x
  2. Step 2: Convert to fraction form
    30,916.95/46,359.90 = 15,123.18/x
  3. Step 3: Cross multiply
    30,916.95x = 46,359.90 × 15,123.18
  4. Step 4: Simplify right side
    30,916.95x = 701,109,112.48
  5. Step 5: Solve for x
    x = 701,109,112.48/30,916.95
  6. Step 6: Final answer
    x = 22,677.18

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