Finding the Fourth Proportional to 131,681.21, 181,718.71 and 71,250.52

Step by Step Solution

1. Step 1: Write the proportion equation
   131,681.21 : 181,718.71 = 71,250.52 : x
2. Step 2: Convert to fraction form
   131,681.21/181,718.71 = 71,250.52/x
3. Step 3: Cross multiply
   131,681.21x = 181,718.71 × 71,250.52
4. Step 4: Simplify right side
   131,681.21x = 12,947,552,224.98
5. Step 5: Solve for x
   x = 12,947,552,224.98/131,681.21
6. Step 6: Final answer
   x = 98,324.98