Finding the Fourth Proportional to 2,528.58, 3,789.38 and 1,293.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,528.58 : 3,789.38 = 1,293.36 : x
2. Step 2: Convert to fraction form
   2,528.58/3,789.38 = 1,293.36/x
3. Step 3: Cross multiply
   2,528.58x = 3,789.38 × 1,293.36
4. Step 4: Simplify right side
   2,528.58x = 4,901,032.52
5. Step 5: Solve for x
   x = 4,901,032.52/2,528.58
6. Step 6: Final answer
   x = 1,938.25