Finding the Fourth Proportional to 6,346.07, 8,756.33 and 3,986.84

Step by Step Solution

1. Step 1: Write the proportion equation
   6,346.07 : 8,756.33 = 3,986.84 : x
2. Step 2: Convert to fraction form
   6,346.07/8,756.33 = 3,986.84/x
3. Step 3: Cross multiply
   6,346.07x = 8,756.33 × 3,986.84
4. Step 4: Simplify right side
   6,346.07x = 34,910,055.82
5. Step 5: Solve for x
   x = 34,910,055.82/6,346.07
6. Step 6: Final answer
   x = 5,501.06