Finding the Fourth Proportional to 6,659.69, 9,984.36 and 4,314.74

Step by Step Solution

1. Step 1: Write the proportion equation
   6,659.69 : 9,984.36 = 4,314.74 : x
2. Step 2: Convert to fraction form
   6,659.69/9,984.36 = 4,314.74/x
3. Step 3: Cross multiply
   6,659.69x = 9,984.36 × 4,314.74
4. Step 4: Simplify right side
   6,659.69x = 43,079,883.72
5. Step 5: Solve for x
   x = 43,079,883.72/6,659.69
6. Step 6: Final answer
   x = 6,468.76