Finding the Fourth Proportional to 23,689.83, 32,689.32 and 13,076.81

Step by Step Solution

1. Step 1: Write the proportion equation
   23,689.83 : 32,689.32 = 13,076.81 : x
2. Step 2: Convert to fraction form
   23,689.83/32,689.32 = 13,076.81/x
3. Step 3: Cross multiply
   23,689.83x = 32,689.32 × 13,076.81
4. Step 4: Simplify right side
   23,689.83x = 427,472,010.33
5. Step 5: Solve for x
   x = 427,472,010.33/23,689.83
6. Step 6: Final answer
   x = 18,044.53