Finding the Fourth Proportional to 2,747.05, 4,120.15 and 898.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747.05 : 4,120.15 = 898.15 : x
2. Step 2: Convert to fraction form
   2,747.05/4,120.15 = 898.15/x
3. Step 3: Cross multiply
   2,747.05x = 4,120.15 × 898.15
4. Step 4: Simplify right side
   2,747.05x = 3,700,512.72
5. Step 5: Solve for x
   x = 3,700,512.72/2,747.05
6. Step 6: Final answer
   x = 1,347.09