Finding the Fourth Proportional to 6,853.94, 10,280.69 and 2,904.15

Step by Step Solution

1. Step 1: Write the proportion equation
   6,853.94 : 10,280.69 = 2,904.15 : x
2. Step 2: Convert to fraction form
   6,853.94/10,280.69 = 2,904.15/x
3. Step 3: Cross multiply
   6,853.94x = 10,280.69 × 2,904.15
4. Step 4: Simplify right side
   6,853.94x = 29,856,621.72
5. Step 5: Solve for x
   x = 29,856,621.72/6,853.94
6. Step 6: Final answer
   x = 4,356.12