Finding the Fourth Proportional to 6,770.69, 10,157.55 and 2,388.18

Step by Step Solution

1. Step 1: Write the proportion equation
   6,770.69 : 10,157.55 = 2,388.18 : x
2. Step 2: Convert to fraction form
   6,770.69/10,157.55 = 2,388.18/x
3. Step 3: Cross multiply
   6,770.69x = 10,157.55 × 2,388.18
4. Step 4: Simplify right side
   6,770.69x = 24,258,045.82
5. Step 5: Solve for x
   x = 24,258,045.82/6,770.69
6. Step 6: Final answer
   x = 3,582.81