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Finding the Fourth Proportional to 18,421.02, 27,631.80 and 4,570.02

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Solution

The fourth proportional to 18,421.02, 27,631.80 and 4,570.02 is: 6,855.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,421.02 : 27,631.80 = 4,570.02 : x
  2. Step 2: Convert to fraction form
    18,421.02/27,631.80 = 4,570.02/x
  3. Step 3: Cross multiply
    18,421.02x = 27,631.80 × 4,570.02
  4. Step 4: Simplify right side
    18,421.02x = 126,277,878.64
  5. Step 5: Solve for x
    x = 126,277,878.64/18,421.02
  6. Step 6: Final answer
    x = 6,855.10

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