Finding the Fourth Proportional to 23,268.64, 32,111.04 and 12,658.72

Step by Step Solution

1. Step 1: Write the proportion equation
   23,268.64 : 32,111.04 = 12,658.72 : x
2. Step 2: Convert to fraction form
   23,268.64/32,111.04 = 12,658.72/x
3. Step 3: Cross multiply
   23,268.64x = 32,111.04 × 12,658.72
4. Step 4: Simplify right side
   23,268.64x = 406,484,664.27
5. Step 5: Solve for x
   x = 406,484,664.27/23,268.64
6. Step 6: Final answer
   x = 17,469.21