Finding the Fourth Proportional to 2,422.64, 3,632.72 and 1,124.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,422.64 : 3,632.72 = 1,124.24 : x
2. Step 2: Convert to fraction form
   2,422.64/3,632.72 = 1,124.24/x
3. Step 3: Cross multiply
   2,422.64x = 3,632.72 × 1,124.24
4. Step 4: Simplify right side
   2,422.64x = 4,084,049.13
5. Step 5: Solve for x
   x = 4,084,049.13/2,422.64
6. Step 6: Final answer
   x = 1,685.78