Finding the Fourth Proportional to 17,215.86, 23,755.98 and 10,503.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,215.86 : 23,755.98 = 10,503.30 : x
2. Step 2: Convert to fraction form
   17,215.86/23,755.98 = 10,503.30/x
3. Step 3: Cross multiply
   17,215.86x = 23,755.98 × 10,503.30
4. Step 4: Simplify right side
   17,215.86x = 249,516,184.73
5. Step 5: Solve for x
   x = 249,516,184.73/17,215.86
6. Step 6: Final answer
   x = 14,493.39