Finding the Fourth Proportional to 23,290.92, 32,141.70 and 13,353

Step by Step Solution

1. Step 1: Write the proportion equation
   23,290.92 : 32,141.70 = 13,353 : x
2. Step 2: Convert to fraction form
   23,290.92/32,141.70 = 13,353/x
3. Step 3: Cross multiply
   23,290.92x = 32,141.70 × 13,353
4. Step 4: Simplify right side
   23,290.92x = 429,188,120.10
5. Step 5: Solve for x
   x = 429,188,120.10/23,290.92
6. Step 6: Final answer
   x = 18,427.27