Finding the Fourth Proportional to 131,025.28, 196,614.12 and 55,118.26

Step by Step Solution

1. Step 1: Write the proportion equation
   131,025.28 : 196,614.12 = 55,118.26 : x
2. Step 2: Convert to fraction form
   131,025.28/196,614.12 = 55,118.26/x
3. Step 3: Cross multiply
   131,025.28x = 196,614.12 × 55,118.26
4. Step 4: Simplify right side
   131,025.28x = 10,837,028,185.83
5. Step 5: Solve for x
   x = 10,837,028,185.83/131,025.28
6. Step 6: Final answer
   x = 82,709.44