Finding the Fourth Proportional to 6,488.80, 8,950.32 and 3,836

Step by Step Solution

1. Step 1: Write the proportion equation
   6,488.80 : 8,950.32 = 3,836 : x
2. Step 2: Convert to fraction form
   6,488.80/8,950.32 = 3,836/x
3. Step 3: Cross multiply
   6,488.80x = 8,950.32 × 3,836
4. Step 4: Simplify right side
   6,488.80x = 34,333,427.52
5. Step 5: Solve for x
   x = 34,333,427.52/6,488.80
6. Step 6: Final answer
   x = 5,291.18