Finding the Fourth Proportional to 23,318.46, 32,180.22 and 13,111.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,318.46 : 32,180.22 = 13,111.20 : x
2. Step 2: Convert to fraction form
   23,318.46/32,180.22 = 13,111.20/x
3. Step 3: Cross multiply
   23,318.46x = 32,180.22 × 13,111.20
4. Step 4: Simplify right side
   23,318.46x = 421,921,300.46
5. Step 5: Solve for x
   x = 421,921,300.46/23,318.46
6. Step 6: Final answer
   x = 18,093.88