Finding the Fourth Proportional to 131,296.46, 196,944.69 and 104,877.50

Step by Step Solution

1. Step 1: Write the proportion equation
   131,296.46 : 196,944.69 = 104,877.50 : x
2. Step 2: Convert to fraction form
   131,296.46/196,944.69 = 104,877.50/x
3. Step 3: Cross multiply
   131,296.46x = 196,944.69 × 104,877.50
4. Step 4: Simplify right side
   131,296.46x = 20,655,065,740.75
5. Step 5: Solve for x
   x = 20,655,065,740.75/131,296.46
6. Step 6: Final answer
   x = 157,316.25