Finding the Fourth Proportional to 114,931.08, 172,399.50 and 31,825.80

Step by Step Solution

1. Step 1: Write the proportion equation
   114,931.08 : 172,399.50 = 31,825.80 : x
2. Step 2: Convert to fraction form
   114,931.08/172,399.50 = 31,825.80/x
3. Step 3: Cross multiply
   114,931.08x = 172,399.50 × 31,825.80
4. Step 4: Simplify right side
   114,931.08x = 5,486,752,007.10
5. Step 5: Solve for x
   x = 5,486,752,007.10/114,931.08
6. Step 6: Final answer
   x = 47,739.50