Finding the Fourth Proportional to 17,315.40, 23,899.22 and 10,604.72

Step by Step Solution

1. Step 1: Write the proportion equation
   17,315.40 : 23,899.22 = 10,604.72 : x
2. Step 2: Convert to fraction form
   17,315.40/23,899.22 = 10,604.72/x
3. Step 3: Cross multiply
   17,315.40x = 23,899.22 × 10,604.72
4. Step 4: Simplify right side
   17,315.40x = 253,444,536.32
5. Step 5: Solve for x
   x = 253,444,536.32/17,315.40
6. Step 6: Final answer
   x = 14,636.95