Finding the Fourth Proportional to 23,760.34, 32,791.71 and 13,689.16

Step by Step Solution

1. Step 1: Write the proportion equation
   23,760.34 : 32,791.71 = 13,689.16 : x
2. Step 2: Convert to fraction form
   23,760.34/32,791.71 = 13,689.16/x
3. Step 3: Cross multiply
   23,760.34x = 32,791.71 × 13,689.16
4. Step 4: Simplify right side
   23,760.34x = 448,890,964.86
5. Step 5: Solve for x
   x = 448,890,964.86/23,760.34
6. Step 6: Final answer
   x = 18,892.45