Finding the Fourth Proportional to 114,697.50, 172,060.83 and 31,591.50

Step by Step Solution

1. Step 1: Write the proportion equation
   114,697.50 : 172,060.83 = 31,591.50 : x
2. Step 2: Convert to fraction form
   114,697.50/172,060.83 = 31,591.50/x
3. Step 3: Cross multiply
   114,697.50x = 172,060.83 × 31,591.50
4. Step 4: Simplify right side
   114,697.50x = 5,435,659,710.95
5. Step 5: Solve for x
   x = 5,435,659,710.95/114,697.50
6. Step 6: Final answer
   x = 47,391.27