Finding the Fourth Proportional to 131,171.68, 196,895.76 and 61,118.56

Step by Step Solution

1. Step 1: Write the proportion equation
   131,171.68 : 196,895.76 = 61,118.56 : x
2. Step 2: Convert to fraction form
   131,171.68/196,895.76 = 61,118.56/x
3. Step 3: Cross multiply
   131,171.68x = 196,895.76 × 61,118.56
4. Step 4: Simplify right side
   131,171.68x = 12,033,985,321.31
5. Step 5: Solve for x
   x = 12,033,985,321.31/131,171.68
6. Step 6: Final answer
   x = 91,742.25