Finding the Fourth Proportional to 2,002.55, 2,763.63 and 1,118.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.55 : 2,763.63 = 1,118.36 : x
2. Step 2: Convert to fraction form
   2,002.55/2,763.63 = 1,118.36/x
3. Step 3: Cross multiply
   2,002.55x = 2,763.63 × 1,118.36
4. Step 4: Simplify right side
   2,002.55x = 3,090,733.25
5. Step 5: Solve for x
   x = 3,090,733.25/2,002.55
6. Step 6: Final answer
   x = 1,543.40