Finding the Fourth Proportional to 23,388.81, 32,276.59 and 13,317.25

Step by Step Solution

1. Step 1: Write the proportion equation
   23,388.81 : 32,276.59 = 13,317.25 : x
2. Step 2: Convert to fraction form
   23,388.81/32,276.59 = 13,317.25/x
3. Step 3: Cross multiply
   23,388.81x = 32,276.59 × 13,317.25
4. Step 4: Simplify right side
   23,388.81x = 429,835,351.59
5. Step 5: Solve for x
   x = 429,835,351.59/23,388.81
6. Step 6: Final answer
   x = 18,377.82