Finding the Fourth Proportional to 2,426.22, 3,641.49 and 1,128.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,426.22 : 3,641.49 = 1,128.42 : x
2. Step 2: Convert to fraction form
   2,426.22/3,641.49 = 1,128.42/x
3. Step 3: Cross multiply
   2,426.22x = 3,641.49 × 1,128.42
4. Step 4: Simplify right side
   2,426.22x = 4,109,130.15
5. Step 5: Solve for x
   x = 4,109,130.15/2,426.22
6. Step 6: Final answer
   x = 1,693.63