Finding the Fourth Proportional to 3,522.42, 5,280.85 and 1,766.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,522.42 : 5,280.85 = 1,766.52 : x
2. Step 2: Convert to fraction form
   3,522.42/5,280.85 = 1,766.52/x
3. Step 3: Cross multiply
   3,522.42x = 5,280.85 × 1,766.52
4. Step 4: Simplify right side
   3,522.42x = 9,328,727.14
5. Step 5: Solve for x
   x = 9,328,727.14/3,522.42
6. Step 6: Final answer
   x = 2,648.39