Finding the Fourth Proportional to 5,498.43, 8,231.91 and 3,645.86

Step by Step Solution

1. Step 1: Write the proportion equation
   5,498.43 : 8,231.91 = 3,645.86 : x
2. Step 2: Convert to fraction form
   5,498.43/8,231.91 = 3,645.86/x
3. Step 3: Cross multiply
   5,498.43x = 8,231.91 × 3,645.86
4. Step 4: Simplify right side
   5,498.43x = 30,012,336.56
5. Step 5: Solve for x
   x = 30,012,336.56/5,498.43
6. Step 6: Final answer
   x = 5,458.35