Finding the Fourth Proportional to 9,008.67, 12,440.52 and 8,517.81

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.67 : 12,440.52 = 8,517.81 : x
2. Step 2: Convert to fraction form
   9,008.67/12,440.52 = 8,517.81/x
3. Step 3: Cross multiply
   9,008.67x = 12,440.52 × 8,517.81
4. Step 4: Simplify right side
   9,008.67x = 105,965,985.66
5. Step 5: Solve for x
   x = 105,965,985.66/9,008.67
6. Step 6: Final answer
   x = 11,762.67