Finding the Fourth Proportional to 23,691.30, 32,694.42 and 13,080.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,691.30 : 32,694.42 = 13,080.69 : x
2. Step 2: Convert to fraction form
   23,691.30/32,694.42 = 13,080.69/x
3. Step 3: Cross multiply
   23,691.30x = 32,694.42 × 13,080.69
4. Step 4: Simplify right side
   23,691.30x = 427,665,572.75
5. Step 5: Solve for x
   x = 427,665,572.75/23,691.30
6. Step 6: Final answer
   x = 18,051.59