Finding the Fourth Proportional to 23,906.39, 32,991.53 and 13,296.69

Step by Step Solution

1. Step 1: Write the proportion equation
   23,906.39 : 32,991.53 = 13,296.69 : x
2. Step 2: Convert to fraction form
   23,906.39/32,991.53 = 13,296.69/x
3. Step 3: Cross multiply
   23,906.39x = 32,991.53 × 13,296.69
4. Step 4: Simplify right side
   23,906.39x = 438,678,080.55
5. Step 5: Solve for x
   x = 438,678,080.55/23,906.39
6. Step 6: Final answer
   x = 18,349.83