Finding the Fourth Proportional to 23,718.72, 32,732.46 and 13,108.80

Step by Step Solution

1. Step 1: Write the proportion equation
   23,718.72 : 32,732.46 = 13,108.80 : x
2. Step 2: Convert to fraction form
   23,718.72/32,732.46 = 13,108.80/x
3. Step 3: Cross multiply
   23,718.72x = 32,732.46 × 13,108.80
4. Step 4: Simplify right side
   23,718.72x = 429,083,271.65
5. Step 5: Solve for x
   x = 429,083,271.65/23,718.72
6. Step 6: Final answer
   x = 18,090.49