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Finding the Fourth Proportional to 58,363.88, 87,547.86 and 18,921.33

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Solution

The fourth proportional to 58,363.88, 87,547.86 and 18,921.33 is: 28,382.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,363.88 : 87,547.86 = 18,921.33 : x
  2. Step 2: Convert to fraction form
    58,363.88/87,547.86 = 18,921.33/x
  3. Step 3: Cross multiply
    58,363.88x = 87,547.86 × 18,921.33
  4. Step 4: Simplify right side
    58,363.88x = 1,656,521,949.85
  5. Step 5: Solve for x
    x = 1,656,521,949.85/58,363.88
  6. Step 6: Final answer
    x = 28,382.66

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