Finding the Fourth Proportional to 17,618.74, 24,312.22 and 9,661.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,618.74 : 24,312.22 = 9,661.10 : x
2. Step 2: Convert to fraction form
   17,618.74/24,312.22 = 9,661.10/x
3. Step 3: Cross multiply
   17,618.74x = 24,312.22 × 9,661.10
4. Step 4: Simplify right side
   17,618.74x = 234,882,642.93
5. Step 5: Solve for x
   x = 234,882,642.93/17,618.74
6. Step 6: Final answer
   x = 13,331.41