Finding the Fourth Proportional to 131,086.55, 196,826.76 and 74,990.00

Step by Step Solution

1. Step 1: Write the proportion equation
   131,086.55 : 196,826.76 = 74,990.00 : x
2. Step 2: Convert to fraction form
   131,086.55/196,826.76 = 74,990.00/x
3. Step 3: Cross multiply
   131,086.55x = 196,826.76 × 74,990.00
4. Step 4: Simplify right side
   131,086.55x = 14,760,039,224.47
5. Step 5: Solve for x
   x = 14,760,039,224.47/131,086.55
6. Step 6: Final answer
   x = 112,597.66