Finding the Fourth Proportional to 173,793, 260,110.89 and 131,439.72

Step by Step Solution

1. Step 1: Write the proportion equation
   173,793 : 260,110.89 = 131,439.72 : x
2. Step 2: Convert to fraction form
   173,793/260,110.89 = 131,439.72/x
3. Step 3: Cross multiply
   173,793x = 260,110.89 × 131,439.72
4. Step 4: Simplify right side
   173,793x = 34,188,902,550.55
5. Step 5: Solve for x
   x = 34,188,902,550.55/173,793
6. Step 6: Final answer
   x = 196,721.98