Finding the Fourth Proportional to 6,846.88, 10,260.72 and 5,388.88

Step by Step Solution

1. Step 1: Write the proportion equation
   6,846.88 : 10,260.72 = 5,388.88 : x
2. Step 2: Convert to fraction form
   6,846.88/10,260.72 = 5,388.88/x
3. Step 3: Cross multiply
   6,846.88x = 10,260.72 × 5,388.88
4. Step 4: Simplify right side
   6,846.88x = 55,293,788.79
5. Step 5: Solve for x
   x = 55,293,788.79/6,846.88
6. Step 6: Final answer
   x = 8,075.76