Finding the Fourth Proportional to 2,528.83, 3,789.76 and 1,293.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.83 : 3,789.76 = 1,293.61 : x
2. Step 2: Convert to fraction form
   2,528.83/3,789.76 = 1,293.61/x
3. Step 3: Cross multiply
   2,528.83x = 3,789.76 × 1,293.61
4. Step 4: Simplify right side
   2,528.83x = 4,902,464.97
5. Step 5: Solve for x
   x = 4,902,464.97/2,528.83
6. Step 6: Final answer
   x = 1,938.63