Finding the Fourth Proportional to 2,849.94, 4,275.39 and 902.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,849.94 : 4,275.39 = 902.10 : x
2. Step 2: Convert to fraction form
   2,849.94/4,275.39 = 902.10/x
3. Step 3: Cross multiply
   2,849.94x = 4,275.39 × 902.10
4. Step 4: Simplify right side
   2,849.94x = 3,856,829.32
5. Step 5: Solve for x
   x = 3,856,829.32/2,849.94
6. Step 6: Final answer
   x = 1,353.30