Finding the Fourth Proportional to 6,870.92, 10,287.94 and 5,653.04

Step by Step Solution

1. Step 1: Write the proportion equation
   6,870.92 : 10,287.94 = 5,653.04 : x
2. Step 2: Convert to fraction form
   6,870.92/10,287.94 = 5,653.04/x
3. Step 3: Cross multiply
   6,870.92x = 10,287.94 × 5,653.04
4. Step 4: Simplify right side
   6,870.92x = 58,158,136.34
5. Step 5: Solve for x
   x = 58,158,136.34/6,870.92
6. Step 6: Final answer
   x = 8,464.39