Finding the Fourth Proportional to 23,390.33, 32,282.57 and 13,317.37

Step by Step Solution

1. Step 1: Write the proportion equation
   23,390.33 : 32,282.57 = 13,317.37 : x
2. Step 2: Convert to fraction form
   23,390.33/32,282.57 = 13,317.37/x
3. Step 3: Cross multiply
   23,390.33x = 32,282.57 × 13,317.37
4. Step 4: Simplify right side
   23,390.33x = 429,918,881.83
5. Step 5: Solve for x
   x = 429,918,881.83/23,390.33
6. Step 6: Final answer
   x = 18,380.20