Finding the Fourth Proportional to 131,158.64, 196,832.72 and 52,227.36

Step by Step Solution

1. Step 1: Write the proportion equation
   131,158.64 : 196,832.72 = 52,227.36 : x
2. Step 2: Convert to fraction form
   131,158.64/196,832.72 = 52,227.36/x
3. Step 3: Cross multiply
   131,158.64x = 196,832.72 × 52,227.36
4. Step 4: Simplify right side
   131,158.64x = 10,280,053,327.22
5. Step 5: Solve for x
   x = 10,280,053,327.22/131,158.64
6. Step 6: Final answer
   x = 78,378.77