Finding the Fourth Proportional to 6,061.68, 8,368.02 and 3,967.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,061.68 : 8,368.02 = 3,967.20 : x
2. Step 2: Convert to fraction form
   6,061.68/8,368.02 = 3,967.20/x
3. Step 3: Cross multiply
   6,061.68x = 8,368.02 × 3,967.20
4. Step 4: Simplify right side
   6,061.68x = 33,197,608.94
5. Step 5: Solve for x
   x = 33,197,608.94/6,061.68
6. Step 6: Final answer
   x = 5,476.64