Finding the Fourth Proportional to 6,061.28, 8,360.64 and 3,968.16

Step by Step Solution

1. Step 1: Write the proportion equation
   6,061.28 : 8,360.64 = 3,968.16 : x
2. Step 2: Convert to fraction form
   6,061.28/8,360.64 = 3,968.16/x
3. Step 3: Cross multiply
   6,061.28x = 8,360.64 × 3,968.16
4. Step 4: Simplify right side
   6,061.28x = 33,176,357.22
5. Step 5: Solve for x
   x = 33,176,357.22/6,061.28
6. Step 6: Final answer
   x = 5,473.49