Finding the Fourth Proportional to 6,877.54, 10,317.72 and 2,928.79

Step by Step Solution

1. Step 1: Write the proportion equation
   6,877.54 : 10,317.72 = 2,928.79 : x
2. Step 2: Convert to fraction form
   6,877.54/10,317.72 = 2,928.79/x
3. Step 3: Cross multiply
   6,877.54x = 10,317.72 × 2,928.79
4. Step 4: Simplify right side
   6,877.54x = 30,218,435.16
5. Step 5: Solve for x
   x = 30,218,435.16/6,877.54
6. Step 6: Final answer
   x = 4,393.79