Finding the Fourth Proportional to 131,758.30, 181,826.51 and 71,328.94

Step by Step Solution

1. Step 1: Write the proportion equation
   131,758.30 : 181,826.51 = 71,328.94 : x
2. Step 2: Convert to fraction form
   131,758.30/181,826.51 = 71,328.94/x
3. Step 3: Cross multiply
   131,758.30x = 181,826.51 × 71,328.94
4. Step 4: Simplify right side
   131,758.30x = 12,969,492,222.20
5. Step 5: Solve for x
   x = 12,969,492,222.20/131,758.30
6. Step 6: Final answer
   x = 98,433.97