Finding the Fourth Proportional to 2,002.81, 2,763.81 and 1,118.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.81 : 2,763.81 = 1,118.62 : x
2. Step 2: Convert to fraction form
   2,002.81/2,763.81 = 1,118.62/x
3. Step 3: Cross multiply
   2,002.81x = 2,763.81 × 1,118.62
4. Step 4: Simplify right side
   2,002.81x = 3,091,653.14
5. Step 5: Solve for x
   x = 3,091,653.14/2,002.81
6. Step 6: Final answer
   x = 1,543.66