Finding the Fourth Proportional to 131,249.42, 196,950.60 and 55,343.31

Step by Step Solution

1. Step 1: Write the proportion equation
   131,249.42 : 196,950.60 = 55,343.31 : x
2. Step 2: Convert to fraction form
   131,249.42/196,950.60 = 55,343.31/x
3. Step 3: Cross multiply
   131,249.42x = 196,950.60 × 55,343.31
4. Step 4: Simplify right side
   131,249.42x = 10,899,898,110.49
5. Step 5: Solve for x
   x = 10,899,898,110.49/131,249.42
6. Step 6: Final answer
   x = 83,047.21