Finding the Fourth Proportional to 126,317.38, 174,311.86 and 71,864.42

Step by Step Solution

1. Step 1: Write the proportion equation
   126,317.38 : 174,311.86 = 71,864.42 : x
2. Step 2: Convert to fraction form
   126,317.38/174,311.86 = 71,864.42/x
3. Step 3: Cross multiply
   126,317.38x = 174,311.86 × 71,864.42
4. Step 4: Simplify right side
   126,317.38x = 12,526,820,718.02
5. Step 5: Solve for x
   x = 12,526,820,718.02/126,317.38
6. Step 6: Final answer
   x = 99,169.42