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Finding the Fourth Proportional to 18,703.95, 28,031.68 and 7,597.73

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Solution

The fourth proportional to 18,703.95, 28,031.68 and 7,597.73 is: 11,386.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,703.95 : 28,031.68 = 7,597.73 : x
  2. Step 2: Convert to fraction form
    18,703.95/28,031.68 = 7,597.73/x
  3. Step 3: Cross multiply
    18,703.95x = 28,031.68 × 7,597.73
  4. Step 4: Simplify right side
    18,703.95x = 212,977,215.66
  5. Step 5: Solve for x
    x = 212,977,215.66/18,703.95
  6. Step 6: Final answer
    x = 11,386.75

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