Finding the Fourth Proportional to 17,862.21, 24,645.33 and 10,787.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,862.21 : 24,645.33 = 10,787.31 : x
2. Step 2: Convert to fraction form
   17,862.21/24,645.33 = 10,787.31/x
3. Step 3: Cross multiply
   17,862.21x = 24,645.33 × 10,787.31
4. Step 4: Simplify right side
   17,862.21x = 265,856,814.76
5. Step 5: Solve for x
   x = 265,856,814.76/17,862.21
6. Step 6: Final answer
   x = 14,883.76