Finding the Fourth Proportional to 2,284.34, 3,426.24 and 898.70

Step by Step Solution

1. Step 1: Write the proportion equation
   2,284.34 : 3,426.24 = 898.70 : x
2. Step 2: Convert to fraction form
   2,284.34/3,426.24 = 898.70/x
3. Step 3: Cross multiply
   2,284.34x = 3,426.24 × 898.70
4. Step 4: Simplify right side
   2,284.34x = 3,079,161.89
5. Step 5: Solve for x
   x = 3,079,161.89/2,284.34
6. Step 6: Final answer
   x = 1,347.94