Finding the Fourth Proportional to 23,906.69, 32,990.76 and 13,296.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,906.69 : 32,990.76 = 13,296.10 : x
2. Step 2: Convert to fraction form
   23,906.69/32,990.76 = 13,296.10/x
3. Step 3: Cross multiply
   23,906.69x = 32,990.76 × 13,296.10
4. Step 4: Simplify right side
   23,906.69x = 438,648,279.08
5. Step 5: Solve for x
   x = 438,648,279.08/23,906.69
6. Step 6: Final answer
   x = 18,348.35