Finding the Fourth Proportional to 131,564.15, 181,558.46 and 71,134.81

Step by Step Solution

1. Step 1: Write the proportion equation
   131,564.15 : 181,558.46 = 71,134.81 : x
2. Step 2: Convert to fraction form
   131,564.15/181,558.46 = 71,134.81/x
3. Step 3: Cross multiply
   131,564.15x = 181,558.46 × 71,134.81
4. Step 4: Simplify right side
   131,564.15x = 12,915,126,279.93
5. Step 5: Solve for x
   x = 12,915,126,279.93/131,564.15
6. Step 6: Final answer
   x = 98,166.00