Finding the Fourth Proportional to 2,353.73, 3,528.27 and 1,038.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,353.73 : 3,528.27 = 1,038.20 : x
2. Step 2: Convert to fraction form
   2,353.73/3,528.27 = 1,038.20/x
3. Step 3: Cross multiply
   2,353.73x = 3,528.27 × 1,038.20
4. Step 4: Simplify right side
   2,353.73x = 3,663,032.27
5. Step 5: Solve for x
   x = 3,663,032.27/2,353.73
6. Step 6: Final answer
   x = 1,556.27