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Finding the Fourth Proportional to 86,745.79, 119,707.63 and 49,019.23

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Solution

The fourth proportional to 86,745.79, 119,707.63 and 49,019.23 is: 67,645.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,745.79 : 119,707.63 = 49,019.23 : x
  2. Step 2: Convert to fraction form
    86,745.79/119,707.63 = 49,019.23/x
  3. Step 3: Cross multiply
    86,745.79x = 119,707.63 × 49,019.23
  4. Step 4: Simplify right side
    86,745.79x = 5,867,975,847.72
  5. Step 5: Solve for x
    x = 5,867,975,847.72/86,745.79
  6. Step 6: Final answer
    x = 67,645.66

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