Finding the Fourth Proportional to 2,412.50, 3,615.50 and 950.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,412.50 : 3,615.50 = 950.85 : x
2. Step 2: Convert to fraction form
   2,412.50/3,615.50 = 950.85/x
3. Step 3: Cross multiply
   2,412.50x = 3,615.50 × 950.85
4. Step 4: Simplify right side
   2,412.50x = 3,437,800.55
5. Step 5: Solve for x
   x = 3,437,800.55/2,412.50
6. Step 6: Final answer
   x = 1,425.00