Finding the Fourth Proportional to 2,342.54, 3,513.78 and 955.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,342.54 : 3,513.78 = 955.55 : x
2. Step 2: Convert to fraction form
   2,342.54/3,513.78 = 955.55/x
3. Step 3: Cross multiply
   2,342.54x = 3,513.78 × 955.55
4. Step 4: Simplify right side
   2,342.54x = 3,357,592.48
5. Step 5: Solve for x
   x = 3,357,592.48/2,342.54
6. Step 6: Final answer
   x = 1,433.31