Finding the Fourth Proportional to 1,522.60, 2,285.34 and 1,308.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.60 : 2,285.34 = 1,308.52 : x
2. Step 2: Convert to fraction form
   1,522.60/2,285.34 = 1,308.52/x
3. Step 3: Cross multiply
   1,522.60x = 2,285.34 × 1,308.52
4. Step 4: Simplify right side
   1,522.60x = 2,990,413.10
5. Step 5: Solve for x
   x = 2,990,413.10/1,522.60
6. Step 6: Final answer
   x = 1,964.02