Finding the Fourth Proportional to 2,803.52, 4,205.52 and 723.50

Step by Step Solution

1. Step 1: Write the proportion equation
   2,803.52 : 4,205.52 = 723.50 : x
2. Step 2: Convert to fraction form
   2,803.52/4,205.52 = 723.50/x
3. Step 3: Cross multiply
   2,803.52x = 4,205.52 × 723.50
4. Step 4: Simplify right side
   2,803.52x = 3,042,693.72
5. Step 5: Solve for x
   x = 3,042,693.72/2,803.52
6. Step 6: Final answer
   x = 1,085.31