Finding the Fourth Proportional to 23,718.83, 32,731.61 and 13,108.64

Step by Step Solution

1. Step 1: Write the proportion equation
   23,718.83 : 32,731.61 = 13,108.64 : x
2. Step 2: Convert to fraction form
   23,718.83/32,731.61 = 13,108.64/x
3. Step 3: Cross multiply
   23,718.83x = 32,731.61 × 13,108.64
4. Step 4: Simplify right side
   23,718.83x = 429,066,662.91
5. Step 5: Solve for x
   x = 429,066,662.91/23,718.83
6. Step 6: Final answer
   x = 18,089.71