Finding the Fourth Proportional to 131,615.94, 181,629.32 and 71,186.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,615.94 : 181,629.32 = 71,186.52 : x
2. Step 2: Convert to fraction form
   131,615.94/181,629.32 = 71,186.52/x
3. Step 3: Cross multiply
   131,615.94x = 181,629.32 × 71,186.52
4. Step 4: Simplify right side
   131,615.94x = 12,929,558,864.83
5. Step 5: Solve for x
   x = 12,929,558,864.83/131,615.94
6. Step 6: Final answer
   x = 98,237.03