Finding the Fourth Proportional to 3,363.50, 5,045.43 and 1,055.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,363.50 : 5,045.43 = 1,055.18 : x
2. Step 2: Convert to fraction form
   3,363.50/5,045.43 = 1,055.18/x
3. Step 3: Cross multiply
   3,363.50x = 5,045.43 × 1,055.18
4. Step 4: Simplify right side
   3,363.50x = 5,323,836.83
5. Step 5: Solve for x
   x = 5,323,836.83/3,363.50
6. Step 6: Final answer
   x = 1,582.83