Finding the Fourth Proportional to 31,915.46, 44,043.32 and 18,487.46

Step by Step Solution

1. Step 1: Write the proportion equation
   31,915.46 : 44,043.32 = 18,487.46 : x
2. Step 2: Convert to fraction form
   31,915.46/44,043.32 = 18,487.46/x
3. Step 3: Cross multiply
   31,915.46x = 44,043.32 × 18,487.46
4. Step 4: Simplify right side
   31,915.46x = 814,249,116.77
5. Step 5: Solve for x
   x = 814,249,116.77/31,915.46
6. Step 6: Final answer
   x = 25,512.69