Finding the Fourth Proportional to 131,181.86, 196,761.42 and 79,877.27

Step by Step Solution

1. Step 1: Write the proportion equation
   131,181.86 : 196,761.42 = 79,877.27 : x
2. Step 2: Convert to fraction form
   131,181.86/196,761.42 = 79,877.27/x
3. Step 3: Cross multiply
   131,181.86x = 196,761.42 × 79,877.27
4. Step 4: Simplify right side
   131,181.86x = 15,716,765,562.83
5. Step 5: Solve for x
   x = 15,716,765,562.83/131,181.86
6. Step 6: Final answer
   x = 119,808.98