Finding the Fourth Proportional to 2,002.47, 2,766.20 and 1,508.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.47 : 2,766.20 = 1,508.91 : x
2. Step 2: Convert to fraction form
   2,002.47/2,766.20 = 1,508.91/x
3. Step 3: Cross multiply
   2,002.47x = 2,766.20 × 1,508.91
4. Step 4: Simplify right side
   2,002.47x = 4,173,939.30
5. Step 5: Solve for x
   x = 4,173,939.30/2,002.47
6. Step 6: Final answer
   x = 2,084.40