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Finding the Fourth Proportional to 55,328.86, 82,993.14 and 13,775.86

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Solution

The fourth proportional to 55,328.86, 82,993.14 and 13,775.86 is: 20,663.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,328.86 : 82,993.14 = 13,775.86 : x
  2. Step 2: Convert to fraction form
    55,328.86/82,993.14 = 13,775.86/x
  3. Step 3: Cross multiply
    55,328.86x = 82,993.14 × 13,775.86
  4. Step 4: Simplify right side
    55,328.86x = 1,143,301,877.60
  5. Step 5: Solve for x
    x = 1,143,301,877.60/55,328.86
  6. Step 6: Final answer
    x = 20,663.75

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