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Finding the Fourth Proportional to 105,538.44, 158,315.91 and 30,659.82

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Solution

The fourth proportional to 105,538.44, 158,315.91 and 30,659.82 is: 45,992.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,538.44 : 158,315.91 = 30,659.82 : x
  2. Step 2: Convert to fraction form
    105,538.44/158,315.91 = 30,659.82/x
  3. Step 3: Cross multiply
    105,538.44x = 158,315.91 × 30,659.82
  4. Step 4: Simplify right side
    105,538.44x = 4,853,937,303.74
  5. Step 5: Solve for x
    x = 4,853,937,303.74/105,538.44
  6. Step 6: Final answer
    x = 45,992.13

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