Finding the Fourth Proportional to 2,528.96, 3,795.12 and 1,143.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.96 : 3,795.12 = 1,143.05 : x
2. Step 2: Convert to fraction form
   2,528.96/3,795.12 = 1,143.05/x
3. Step 3: Cross multiply
   2,528.96x = 3,795.12 × 1,143.05
4. Step 4: Simplify right side
   2,528.96x = 4,337,992.94
5. Step 5: Solve for x
   x = 4,337,992.94/2,528.96
6. Step 6: Final answer
   x = 1,715.33