Finding the Fourth Proportional to 131,538.02, 181,522.22 and 71,108.70

Step by Step Solution

1. Step 1: Write the proportion equation
   131,538.02 : 181,522.22 = 71,108.70 : x
2. Step 2: Convert to fraction form
   131,538.02/181,522.22 = 71,108.70/x
3. Step 3: Cross multiply
   131,538.02x = 181,522.22 × 71,108.70
4. Step 4: Simplify right side
   131,538.02x = 12,907,809,085.31
5. Step 5: Solve for x
   x = 12,907,809,085.31/131,538.02
6. Step 6: Final answer
   x = 98,129.87