Finding the Fourth Proportional to 23,255.28, 32,092.07 and 12,645

Step by Step Solution

1. Step 1: Write the proportion equation
   23,255.28 : 32,092.07 = 12,645 : x
2. Step 2: Convert to fraction form
   23,255.28/32,092.07 = 12,645/x
3. Step 3: Cross multiply
   23,255.28x = 32,092.07 × 12,645
4. Step 4: Simplify right side
   23,255.28x = 405,804,161.93
5. Step 5: Solve for x
   x = 405,804,161.93/23,255.28
6. Step 6: Final answer
   x = 17,449.98