Finding the Fourth Proportional to 17,114.77, 23,618.12 and 9,561.21

Step by Step Solution

1. Step 1: Write the proportion equation
   17,114.77 : 23,618.12 = 9,561.21 : x
2. Step 2: Convert to fraction form
   17,114.77/23,618.12 = 9,561.21/x
3. Step 3: Cross multiply
   17,114.77x = 23,618.12 × 9,561.21
4. Step 4: Simplify right side
   17,114.77x = 225,817,704.61
5. Step 5: Solve for x
   x = 225,817,704.61/17,114.77
6. Step 6: Final answer
   x = 13,194.32