Finding the Fourth Proportional to 31,915.72, 44,037.01 and 18,486.17

Step by Step Solution

1. Step 1: Write the proportion equation
   31,915.72 : 44,037.01 = 18,486.17 : x
2. Step 2: Convert to fraction form
   31,915.72/44,037.01 = 18,486.17/x
3. Step 3: Cross multiply
   31,915.72x = 44,037.01 × 18,486.17
4. Step 4: Simplify right side
   31,915.72x = 814,075,764.94
5. Step 5: Solve for x
   x = 814,075,764.94/31,915.72
6. Step 6: Final answer
   x = 25,507.05