Finding the Fourth Proportional to 8,937.72, 13,404.42 and 5,765.49

Step by Step Solution

1. Step 1: Write the proportion equation
   8,937.72 : 13,404.42 = 5,765.49 : x
2. Step 2: Convert to fraction form
   8,937.72/13,404.42 = 5,765.49/x
3. Step 3: Cross multiply
   8,937.72x = 13,404.42 × 5,765.49
4. Step 4: Simplify right side
   8,937.72x = 77,283,049.47
5. Step 5: Solve for x
   x = 77,283,049.47/8,937.72
6. Step 6: Final answer
   x = 8,646.84