Finding the Fourth Proportional to 2,293.34, 3,439.40 and 994.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,293.34 : 3,439.40 = 994.50 : x
2. Step 2: Convert to fraction form
   2,293.34/3,439.40 = 994.50/x
3. Step 3: Cross multiply
   2,293.34x = 3,439.40 × 994.50
4. Step 4: Simplify right side
   2,293.34x = 3,420,478.33
5. Step 5: Solve for x
   x = 3,420,478.33/2,293.34
6. Step 6: Final answer
   x = 1,491.49