Finding the Fourth Proportional to 17,648.32, 24,355.10 and 9,691.12

Step by Step Solution

1. Step 1: Write the proportion equation
   17,648.32 : 24,355.10 = 9,691.12 : x
2. Step 2: Convert to fraction form
   17,648.32/24,355.10 = 9,691.12/x
3. Step 3: Cross multiply
   17,648.32x = 24,355.10 × 9,691.12
4. Step 4: Simplify right side
   17,648.32x = 236,028,196.71
5. Step 5: Solve for x
   x = 236,028,196.71/17,648.32
6. Step 6: Final answer
   x = 13,373.98