Finding the Fourth Proportional to 23,699.30, 32,703.38 and 13,088.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,699.30 : 32,703.38 = 13,088.10 : x
2. Step 2: Convert to fraction form
   23,699.30/32,703.38 = 13,088.10/x
3. Step 3: Cross multiply
   23,699.30x = 32,703.38 × 13,088.10
4. Step 4: Simplify right side
   23,699.30x = 428,025,107.78
5. Step 5: Solve for x
   x = 428,025,107.78/23,699.30
6. Step 6: Final answer
   x = 18,060.66