Finding the Fourth Proportional to 2,394.29, 3,591.33 and 988.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,394.29 : 3,591.33 = 988.55 : x
2. Step 2: Convert to fraction form
   2,394.29/3,591.33 = 988.55/x
3. Step 3: Cross multiply
   2,394.29x = 3,591.33 × 988.55
4. Step 4: Simplify right side
   2,394.29x = 3,550,209.27
5. Step 5: Solve for x
   x = 3,550,209.27/2,394.29
6. Step 6: Final answer
   x = 1,482.78