Finding the Fourth Proportional to 6,888.42, 10,326.42 and 2,502.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,888.42 : 10,326.42 = 2,502.78 : x
2. Step 2: Convert to fraction form
   6,888.42/10,326.42 = 2,502.78/x
3. Step 3: Cross multiply
   6,888.42x = 10,326.42 × 2,502.78
4. Step 4: Simplify right side
   6,888.42x = 25,844,757.45
5. Step 5: Solve for x
   x = 25,844,757.45/6,888.42
6. Step 6: Final answer
   x = 3,751.91