Finding the Fourth Proportional to 2,515.73, 3,771.72 and 1,528.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,515.73 : 3,771.72 = 1,528.77 : x
2. Step 2: Convert to fraction form
   2,515.73/3,771.72 = 1,528.77/x
3. Step 3: Cross multiply
   2,515.73x = 3,771.72 × 1,528.77
4. Step 4: Simplify right side
   2,515.73x = 5,766,092.38
5. Step 5: Solve for x
   x = 5,766,092.38/2,515.73
6. Step 6: Final answer
   x = 2,292.02