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Finding the Fourth Proportional to 46,572.84, 69,854.40 and 13,290.75

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Solution

The fourth proportional to 46,572.84, 69,854.40 and 13,290.75 is: 19,934.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    46,572.84 : 69,854.40 = 13,290.75 : x
  2. Step 2: Convert to fraction form
    46,572.84/69,854.40 = 13,290.75/x
  3. Step 3: Cross multiply
    46,572.84x = 69,854.40 × 13,290.75
  4. Step 4: Simplify right side
    46,572.84x = 928,417,366.80
  5. Step 5: Solve for x
    x = 928,417,366.80/46,572.84
  6. Step 6: Final answer
    x = 19,934.74

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