Finding the Fourth Proportional to 6,851.15, 9,454.72 and 4,020.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,851.15 : 9,454.72 = 4,020.69 : x
2. Step 2: Convert to fraction form
   6,851.15/9,454.72 = 4,020.69/x
3. Step 3: Cross multiply
   6,851.15x = 9,454.72 × 4,020.69
4. Step 4: Simplify right side
   6,851.15x = 38,014,498.16
5. Step 5: Solve for x
   x = 38,014,498.16/6,851.15
6. Step 6: Final answer
   x = 5,548.63