Finding the Fourth Proportional to 2,099.97, 3,149.38 and 1,002.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.97 : 3,149.38 = 1,002.15 : x
2. Step 2: Convert to fraction form
   2,099.97/3,149.38 = 1,002.15/x
3. Step 3: Cross multiply
   2,099.97x = 3,149.38 × 1,002.15
4. Step 4: Simplify right side
   2,099.97x = 3,156,151.17
5. Step 5: Solve for x
   x = 3,156,151.17/2,099.97
6. Step 6: Final answer
   x = 1,502.95