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Finding the Fourth Proportional to 75,303.72, 112,953.66 and 19,900.20

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Solution

The fourth proportional to 75,303.72, 112,953.66 and 19,900.20 is: 29,849.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,303.72 : 112,953.66 = 19,900.20 : x
  2. Step 2: Convert to fraction form
    75,303.72/112,953.66 = 19,900.20/x
  3. Step 3: Cross multiply
    75,303.72x = 112,953.66 × 19,900.20
  4. Step 4: Simplify right side
    75,303.72x = 2,247,800,424.73
  5. Step 5: Solve for x
    x = 2,247,800,424.73/75,303.72
  6. Step 6: Final answer
    x = 29,849.79

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