Finding the Fourth Proportional to 1,454.72, 2,008.46 and 1,122.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,454.72 : 2,008.46 = 1,122.56 : x
2. Step 2: Convert to fraction form
   1,454.72/2,008.46 = 1,122.56/x
3. Step 3: Cross multiply
   1,454.72x = 2,008.46 × 1,122.56
4. Step 4: Simplify right side
   1,454.72x = 2,254,616.86
5. Step 5: Solve for x
   x = 2,254,616.86/1,454.72
6. Step 6: Final answer
   x = 1,549.86