Finding the Fourth Proportional to 5,603.30, 7,732.71 and 3,085.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,603.30 : 7,732.71 = 3,085.47 : x
2. Step 2: Convert to fraction form
   5,603.30/7,732.71 = 3,085.47/x
3. Step 3: Cross multiply
   5,603.30x = 7,732.71 × 3,085.47
4. Step 4: Simplify right side
   5,603.30x = 23,859,044.72
5. Step 5: Solve for x
   x = 23,859,044.72/5,603.30
6. Step 6: Final answer
   x = 4,258.04