Finding the Fourth Proportional to 6,404.29, 8,839.02 and 3,888.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.29 : 8,839.02 = 3,888.52 : x
2. Step 2: Convert to fraction form
   6,404.29/8,839.02 = 3,888.52/x
3. Step 3: Cross multiply
   6,404.29x = 8,839.02 × 3,888.52
4. Step 4: Simplify right side
   6,404.29x = 34,370,706.05
5. Step 5: Solve for x
   x = 34,370,706.05/6,404.29
6. Step 6: Final answer
   x = 5,366.83