Finding the Fourth Proportional to 6,632.88, 9,151.56 and 4,113.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,632.88 : 9,151.56 = 4,113.78 : x
2. Step 2: Convert to fraction form
   6,632.88/9,151.56 = 4,113.78/x
3. Step 3: Cross multiply
   6,632.88x = 9,151.56 × 4,113.78
4. Step 4: Simplify right side
   6,632.88x = 37,647,504.50
5. Step 5: Solve for x
   x = 37,647,504.50/6,632.88
6. Step 6: Final answer
   x = 5,675.89