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Finding the Fourth Proportional to 65,855.28, 90,878.52 and 37,560.36

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Solution

The fourth proportional to 65,855.28, 90,878.52 and 37,560.36 is: 51,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,855.28 : 90,878.52 = 37,560.36 : x
  2. Step 2: Convert to fraction form
    65,855.28/90,878.52 = 37,560.36/x
  3. Step 3: Cross multiply
    65,855.28x = 90,878.52 × 37,560.36
  4. Step 4: Simplify right side
    65,855.28x = 3,413,429,927.47
  5. Step 5: Solve for x
    x = 3,413,429,927.47/65,855.28
  6. Step 6: Final answer
    x = 51,832.29

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