Finding the Fourth Proportional to 23,905.83, 32,989.17 and 13,296.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,905.83 : 32,989.17 = 13,296.15 : x
2. Step 2: Convert to fraction form
   23,905.83/32,989.17 = 13,296.15/x
3. Step 3: Cross multiply
   23,905.83x = 32,989.17 × 13,296.15
4. Step 4: Simplify right side
   23,905.83x = 438,629,002.56
5. Step 5: Solve for x
   x = 438,629,002.56/23,905.83
6. Step 6: Final answer
   x = 18,348.20