Finding the Fourth Proportional to 173,794, 260,112.39 and 131,440.72

Step by Step Solution

1. Step 1: Write the proportion equation
   173,794 : 260,112.39 = 131,440.72 : x
2. Step 2: Convert to fraction form
   173,794/260,112.39 = 131,440.72/x
3. Step 3: Cross multiply
   173,794x = 260,112.39 × 131,440.72
4. Step 4: Simplify right side
   173,794x = 34,189,359,822.52
5. Step 5: Solve for x
   x = 34,189,359,822.52/173,794
6. Step 6: Final answer
   x = 196,723.48