Finding the Fourth Proportional to 16,686.16, 23,032.04 and 9,617.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,686.16 : 23,032.04 = 9,617.30 : x
2. Step 2: Convert to fraction form
   16,686.16/23,032.04 = 9,617.30/x
3. Step 3: Cross multiply
   16,686.16x = 23,032.04 × 9,617.30
4. Step 4: Simplify right side
   16,686.16x = 221,506,038.29
5. Step 5: Solve for x
   x = 221,506,038.29/16,686.16
6. Step 6: Final answer
   x = 13,274.84