Finding the Fourth Proportional to 2,747.79, 4,118.78 and 898.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,747.79 : 4,118.78 = 898.41 : x
2. Step 2: Convert to fraction form
   2,747.79/4,118.78 = 898.41/x
3. Step 3: Cross multiply
   2,747.79x = 4,118.78 × 898.41
4. Step 4: Simplify right side
   2,747.79x = 3,700,348.65
5. Step 5: Solve for x
   x = 3,700,348.65/2,747.79
6. Step 6: Final answer
   x = 1,346.66