Finding the Fourth Proportional to 5,540.86, 8,300.31 and 4,567.60

Step by Step Solution

1. Step 1: Write the proportion equation
   5,540.86 : 8,300.31 = 4,567.60 : x
2. Step 2: Convert to fraction form
   5,540.86/8,300.31 = 4,567.60/x
3. Step 3: Cross multiply
   5,540.86x = 8,300.31 × 4,567.60
4. Step 4: Simplify right side
   5,540.86x = 37,912,495.96
5. Step 5: Solve for x
   x = 37,912,495.96/5,540.86
6. Step 6: Final answer
   x = 6,842.35