Finding the Fourth Proportional to 31,086.72, 46,604.16 and 15,482.88

Step by Step Solution

1. Step 1: Write the proportion equation
   31,086.72 : 46,604.16 = 15,482.88 : x
2. Step 2: Convert to fraction form
   31,086.72/46,604.16 = 15,482.88/x
3. Step 3: Cross multiply
   31,086.72x = 46,604.16 × 15,482.88
4. Step 4: Simplify right side
   31,086.72x = 721,566,616.78
5. Step 5: Solve for x
   x = 721,566,616.78/31,086.72
6. Step 6: Final answer
   x = 23,211.41