Finding the Fourth Proportional to 2,292.39, 3,436.56 and 993.42

Step by Step Solution

1. Step 1: Write the proportion equation
   2,292.39 : 3,436.56 = 993.42 : x
2. Step 2: Convert to fraction form
   2,292.39/3,436.56 = 993.42/x
3. Step 3: Cross multiply
   2,292.39x = 3,436.56 × 993.42
4. Step 4: Simplify right side
   2,292.39x = 3,413,947.44
5. Step 5: Solve for x
   x = 3,413,947.44/2,292.39
6. Step 6: Final answer
   x = 1,489.25