Finding the Fourth Proportional to 6,151.71, 8,488.89 and 3,499.23

Step by Step Solution

1. Step 1: Write the proportion equation
   6,151.71 : 8,488.89 = 3,499.23 : x
2. Step 2: Convert to fraction form
   6,151.71/8,488.89 = 3,499.23/x
3. Step 3: Cross multiply
   6,151.71x = 8,488.89 × 3,499.23
4. Step 4: Simplify right side
   6,151.71x = 29,704,578.55
5. Step 5: Solve for x
   x = 29,704,578.55/6,151.71
6. Step 6: Final answer
   x = 4,828.67