Finding the Fourth Proportional to 173,123.98, 259,002.72 and 131,125.06

Step by Step Solution

1. Step 1: Write the proportion equation
   173,123.98 : 259,002.72 = 131,125.06 : x
2. Step 2: Convert to fraction form
   173,123.98/259,002.72 = 131,125.06/x
3. Step 3: Cross multiply
   173,123.98x = 259,002.72 × 131,125.06
4. Step 4: Simplify right side
   173,123.98x = 33,961,747,200.16
5. Step 5: Solve for x
   x = 33,961,747,200.16/173,123.98
6. Step 6: Final answer
   x = 196,170.09