Finding the Fourth Proportional to 1,737.92, 2,398.56 and 1,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,737.92 : 2,398.56 = 1,118.72 : x
2. Step 2: Convert to fraction form
   1,737.92/2,398.56 = 1,118.72/x
3. Step 3: Cross multiply
   1,737.92x = 2,398.56 × 1,118.72
4. Step 4: Simplify right side
   1,737.92x = 2,683,317.04
5. Step 5: Solve for x
   x = 2,683,317.04/1,737.92
6. Step 6: Final answer
   x = 1,543.98