Finding the Fourth Proportional to 1,355.16, 2,028.04 and 1,124.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,355.16 : 2,028.04 = 1,124.48 : x
2. Step 2: Convert to fraction form
   1,355.16/2,028.04 = 1,124.48/x
3. Step 3: Cross multiply
   1,355.16x = 2,028.04 × 1,124.48
4. Step 4: Simplify right side
   1,355.16x = 2,280,490.42
5. Step 5: Solve for x
   x = 2,280,490.42/1,355.16
6. Step 6: Final answer
   x = 1,682.82