Finding the Fourth Proportional to 6,864.06, 10,298.55 and 2,916.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,864.06 : 10,298.55 = 2,916.30 : x
2. Step 2: Convert to fraction form
   6,864.06/10,298.55 = 2,916.30/x
3. Step 3: Cross multiply
   6,864.06x = 10,298.55 × 2,916.30
4. Step 4: Simplify right side
   6,864.06x = 30,033,661.37
5. Step 5: Solve for x
   x = 30,033,661.37/6,864.06
6. Step 6: Final answer
   x = 4,375.50