Finding the Fourth Proportional to 6,404.97, 8,838.82 and 3,572.38

Step by Step Solution

1. Step 1: Write the proportion equation
   6,404.97 : 8,838.82 = 3,572.38 : x
2. Step 2: Convert to fraction form
   6,404.97/8,838.82 = 3,572.38/x
3. Step 3: Cross multiply
   6,404.97x = 8,838.82 × 3,572.38
4. Step 4: Simplify right side
   6,404.97x = 31,575,623.79
5. Step 5: Solve for x
   x = 31,575,623.79/6,404.97
6. Step 6: Final answer
   x = 4,929.86