Finding the Fourth Proportional to 6,404.24, 8,839.32 and 5,354.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.24 : 8,839.32 = 5,354.48 : x
2. Step 2: Convert to fraction form
   6,404.24/8,839.32 = 5,354.48/x
3. Step 3: Cross multiply
   6,404.24x = 8,839.32 × 5,354.48
4. Step 4: Simplify right side
   6,404.24x = 47,329,962.15
5. Step 5: Solve for x
   x = 47,329,962.15/6,404.24
6. Step 6: Final answer
   x = 7,390.41