Finding the Fourth Proportional to 2,900.55, 4,350.42 and 952.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,900.55 : 4,350.42 = 952.50 : x
2. Step 2: Convert to fraction form
   2,900.55/4,350.42 = 952.50/x
3. Step 3: Cross multiply
   2,900.55x = 4,350.42 × 952.50
4. Step 4: Simplify right side
   2,900.55x = 4,143,775.05
5. Step 5: Solve for x
   x = 4,143,775.05/2,900.55
6. Step 6: Final answer
   x = 1,428.62