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Finding the Fourth Proportional to 65,682.37, 98,537.39 and 21,305.66

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Solution

The fourth proportional to 65,682.37, 98,537.39 and 21,305.66 is: 31,962.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,682.37 : 98,537.39 = 21,305.66 : x
  2. Step 2: Convert to fraction form
    65,682.37/98,537.39 = 21,305.66/x
  3. Step 3: Cross multiply
    65,682.37x = 98,537.39 × 21,305.66
  4. Step 4: Simplify right side
    65,682.37x = 2,099,404,128.63
  5. Step 5: Solve for x
    x = 2,099,404,128.63/65,682.37
  6. Step 6: Final answer
    x = 31,962.98

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