Finding the Fourth Proportional to 6,003.78, 8,290.92 and 5,676.54

Step by Step Solution

1. Step 1: Write the proportion equation
   6,003.78 : 8,290.92 = 5,676.54 : x
2. Step 2: Convert to fraction form
   6,003.78/8,290.92 = 5,676.54/x
3. Step 3: Cross multiply
   6,003.78x = 8,290.92 × 5,676.54
4. Step 4: Simplify right side
   6,003.78x = 47,063,739.02
5. Step 5: Solve for x
   x = 47,063,739.02/6,003.78
6. Step 6: Final answer
   x = 7,839.02