Finding the Fourth Proportional to 31,113.72, 46,685.59 and 15,310.18

Step by Step Solution

1. Step 1: Write the proportion equation
   31,113.72 : 46,685.59 = 15,310.18 : x
2. Step 2: Convert to fraction form
   31,113.72/46,685.59 = 15,310.18/x
3. Step 3: Cross multiply
   31,113.72x = 46,685.59 × 15,310.18
4. Step 4: Simplify right side
   31,113.72x = 714,764,786.31
5. Step 5: Solve for x
   x = 714,764,786.31/31,113.72
6. Step 6: Final answer
   x = 22,972.66