Finding the Fourth Proportional to 2,902.55, 4,353.42 and 954.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,902.55 : 4,353.42 = 954.50 : x
2. Step 2: Convert to fraction form
   2,902.55/4,353.42 = 954.50/x
3. Step 3: Cross multiply
   2,902.55x = 4,353.42 × 954.50
4. Step 4: Simplify right side
   2,902.55x = 4,155,339.39
5. Step 5: Solve for x
   x = 4,155,339.39/2,902.55
6. Step 6: Final answer
   x = 1,431.62