Finding the Fourth Proportional to 22,264.32, 30,725.76 and 12,328.32

Step by Step Solution

1. Step 1: Write the proportion equation
   22,264.32 : 30,725.76 = 12,328.32 : x
2. Step 2: Convert to fraction form
   22,264.32/30,725.76 = 12,328.32/x
3. Step 3: Cross multiply
   22,264.32x = 30,725.76 × 12,328.32
4. Step 4: Simplify right side
   22,264.32x = 378,797,001.52
5. Step 5: Solve for x
   x = 378,797,001.52/22,264.32
6. Step 6: Final answer
   x = 17,013.63