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Finding the Fourth Proportional to 70,667.82, 106,005.36 and 18,077.76

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Solution

The fourth proportional to 70,667.82, 106,005.36 and 18,077.76 is: 27,117.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,667.82 : 106,005.36 = 18,077.76 : x
  2. Step 2: Convert to fraction form
    70,667.82/106,005.36 = 18,077.76/x
  3. Step 3: Cross multiply
    70,667.82x = 106,005.36 × 18,077.76
  4. Step 4: Simplify right side
    70,667.82x = 1,916,339,456.79
  5. Step 5: Solve for x
    x = 1,916,339,456.79/70,667.82
  6. Step 6: Final answer
    x = 27,117.57

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