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Finding the Fourth Proportional to 73,661.85, 110,492.78 and 21,071.34

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Solution

The fourth proportional to 73,661.85, 110,492.78 and 21,071.34 is: 31,607.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,661.85 : 110,492.78 = 21,071.34 : x
  2. Step 2: Convert to fraction form
    73,661.85/110,492.78 = 21,071.34/x
  3. Step 3: Cross multiply
    73,661.85x = 110,492.78 × 21,071.34
  4. Step 4: Simplify right side
    73,661.85x = 2,328,230,829.57
  5. Step 5: Solve for x
    x = 2,328,230,829.57/73,661.85
  6. Step 6: Final answer
    x = 31,607.01

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