Finding the Fourth Proportional to 23,891.06, 32,966.78 and 13,134.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,891.06 : 32,966.78 = 13,134.15 : x
2. Step 2: Convert to fraction form
   23,891.06/32,966.78 = 13,134.15/x
3. Step 3: Cross multiply
   23,891.06x = 32,966.78 × 13,134.15
4. Step 4: Simplify right side
   23,891.06x = 432,990,567.87
5. Step 5: Solve for x
   x = 432,990,567.87/23,891.06
6. Step 6: Final answer
   x = 18,123.54