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Finding the Fourth Proportional to 88,518.56, 122,088.48 and 61,661.12

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Solution

The fourth proportional to 88,518.56, 122,088.48 and 61,661.12 is: 85,045.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,518.56 : 122,088.48 = 61,661.12 : x
  2. Step 2: Convert to fraction form
    88,518.56/122,088.48 = 61,661.12/x
  3. Step 3: Cross multiply
    88,518.56x = 122,088.48 × 61,661.12
  4. Step 4: Simplify right side
    88,518.56x = 7,528,112,415.90
  5. Step 5: Solve for x
    x = 7,528,112,415.90/88,518.56
  6. Step 6: Final answer
    x = 85,045.58

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