Finding the Fourth Proportional to 2,002.28, 2,762.88 and 1,117.94

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.28 : 2,762.88 = 1,117.94 : x
2. Step 2: Convert to fraction form
   2,002.28/2,762.88 = 1,117.94/x
3. Step 3: Cross multiply
   2,002.28x = 2,762.88 × 1,117.94
4. Step 4: Simplify right side
   2,002.28x = 3,088,734.07
5. Step 5: Solve for x
   x = 3,088,734.07/2,002.28
6. Step 6: Final answer
   x = 1,542.61