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Finding the Fourth Proportional to 31,277.28, 46,916.08 and 7,903.74

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Solution

The fourth proportional to 31,277.28, 46,916.08 and 7,903.74 is: 11,855.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,277.28 : 46,916.08 = 7,903.74 : x
  2. Step 2: Convert to fraction form
    31,277.28/46,916.08 = 7,903.74/x
  3. Step 3: Cross multiply
    31,277.28x = 46,916.08 × 7,903.74
  4. Step 4: Simplify right side
    31,277.28x = 370,812,478.38
  5. Step 5: Solve for x
    x = 370,812,478.38/31,277.28
  6. Step 6: Final answer
    x = 11,855.65

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