Finding the Fourth Proportional to 5,488.16, 8,230.32 and 3,404.96

Step by Step Solution

1. Step 1: Write the proportion equation
   5,488.16 : 8,230.32 = 3,404.96 : x
2. Step 2: Convert to fraction form
   5,488.16/8,230.32 = 3,404.96/x
3. Step 3: Cross multiply
   5,488.16x = 8,230.32 × 3,404.96
4. Step 4: Simplify right side
   5,488.16x = 28,023,910.39
5. Step 5: Solve for x
   x = 28,023,910.39/5,488.16
6. Step 6: Final answer
   x = 5,106.25