Finding the Fourth Proportional to 5,808.96, 8,658.72 and 5,342.40

Step by Step Solution

1. Step 1: Write the proportion equation
   5,808.96 : 8,658.72 = 5,342.40 : x
2. Step 2: Convert to fraction form
   5,808.96/8,658.72 = 5,342.40/x
3. Step 3: Cross multiply
   5,808.96x = 8,658.72 × 5,342.40
4. Step 4: Simplify right side
   5,808.96x = 46,258,345.73
5. Step 5: Solve for x
   x = 46,258,345.73/5,808.96
6. Step 6: Final answer
   x = 7,963.27