Finding the Fourth Proportional to 2,635.55, 3,950.34 and 1,075.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.55 : 3,950.34 = 1,075.15 : x
2. Step 2: Convert to fraction form
   2,635.55/3,950.34 = 1,075.15/x
3. Step 3: Cross multiply
   2,635.55x = 3,950.34 × 1,075.15
4. Step 4: Simplify right side
   2,635.55x = 4,247,188.30
5. Step 5: Solve for x
   x = 4,247,188.30/2,635.55
6. Step 6: Final answer
   x = 1,611.50