Finding the Fourth Proportional to 17,648.66, 24,355.80 and 9,691.62

Step by Step Solution

1. Step 1: Write the proportion equation
   17,648.66 : 24,355.80 = 9,691.62 : x
2. Step 2: Convert to fraction form
   17,648.66/24,355.80 = 9,691.62/x
3. Step 3: Cross multiply
   17,648.66x = 24,355.80 × 9,691.62
4. Step 4: Simplify right side
   17,648.66x = 236,047,158.40
5. Step 5: Solve for x
   x = 236,047,158.40/17,648.66
6. Step 6: Final answer
   x = 13,374.79