Finding the Fourth Proportional to 6,151.22, 8,488.71 and 3,356.78

Step by Step Solution

1. Step 1: Write the proportion equation
   6,151.22 : 8,488.71 = 3,356.78 : x
2. Step 2: Convert to fraction form
   6,151.22/8,488.71 = 3,356.78/x
3. Step 3: Cross multiply
   6,151.22x = 8,488.71 × 3,356.78
4. Step 4: Simplify right side
   6,151.22x = 28,494,731.95
5. Step 5: Solve for x
   x = 28,494,731.95/6,151.22
6. Step 6: Final answer
   x = 4,632.37