Finding the Fourth Proportional to 5,601.72, 7,729.80 and 3,083.92

Step by Step Solution

1. Step 1: Write the proportion equation
   5,601.72 : 7,729.80 = 3,083.92 : x
2. Step 2: Convert to fraction form
   5,601.72/7,729.80 = 3,083.92/x
3. Step 3: Cross multiply
   5,601.72x = 7,729.80 × 3,083.92
4. Step 4: Simplify right side
   5,601.72x = 23,838,084.82
5. Step 5: Solve for x
   x = 23,838,084.82/5,601.72
6. Step 6: Final answer
   x = 4,255.49