Finding the Fourth Proportional to 5,315.22, 7,337.39 and 3,830.49

Step by Step Solution

1. Step 1: Write the proportion equation
   5,315.22 : 7,337.39 = 3,830.49 : x
2. Step 2: Convert to fraction form
   5,315.22/7,337.39 = 3,830.49/x
3. Step 3: Cross multiply
   5,315.22x = 7,337.39 × 3,830.49
4. Step 4: Simplify right side
   5,315.22x = 28,105,779.87
5. Step 5: Solve for x
   x = 28,105,779.87/5,315.22
6. Step 6: Final answer
   x = 5,287.79