Finding the Fourth Proportional to 1,557.47, 2,149.43 and 894.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,557.47 : 2,149.43 = 894.53 : x
2. Step 2: Convert to fraction form
   1,557.47/2,149.43 = 894.53/x
3. Step 3: Cross multiply
   1,557.47x = 2,149.43 × 894.53
4. Step 4: Simplify right side
   1,557.47x = 1,922,714.40
5. Step 5: Solve for x
   x = 1,922,714.40/1,557.47
6. Step 6: Final answer
   x = 1,234.52