Finding the Fourth Proportional to 5,724.55, 7,902.59 and 4,308.79

Step by Step Solution

1. Step 1: Write the proportion equation
   5,724.55 : 7,902.59 = 4,308.79 : x
2. Step 2: Convert to fraction form
   5,724.55/7,902.59 = 4,308.79/x
3. Step 3: Cross multiply
   5,724.55x = 7,902.59 × 4,308.79
4. Step 4: Simplify right side
   5,724.55x = 34,050,600.77
5. Step 5: Solve for x
   x = 34,050,600.77/5,724.55
6. Step 6: Final answer
   x = 5,948.17