Finding the Fourth Proportional to 6,307.61, 9,451.69 and 3,994.25

Step by Step Solution

1. Step 1: Write the proportion equation
   6,307.61 : 9,451.69 = 3,994.25 : x
2. Step 2: Convert to fraction form
   6,307.61/9,451.69 = 3,994.25/x
3. Step 3: Cross multiply
   6,307.61x = 9,451.69 × 3,994.25
4. Step 4: Simplify right side
   6,307.61x = 37,752,412.78
5. Step 5: Solve for x
   x = 37,752,412.78/6,307.61
6. Step 6: Final answer
   x = 5,985.22