Finding the Fourth Proportional to 23,301.62, 32,156.27 and 12,691.29

Step by Step Solution

1. Step 1: Write the proportion equation
   23,301.62 : 32,156.27 = 12,691.29 : x
2. Step 2: Convert to fraction form
   23,301.62/32,156.27 = 12,691.29/x
3. Step 3: Cross multiply
   23,301.62x = 32,156.27 × 12,691.29
4. Step 4: Simplify right side
   23,301.62x = 408,104,547.89
5. Step 5: Solve for x
   x = 408,104,547.89/23,301.62
6. Step 6: Final answer
   x = 17,514.00