Finding the Fourth Proportional to 8,738.72, 13,040.52 and 7,804.24

Step by Step Solution

1. Step 1: Write the proportion equation
   8,738.72 : 13,040.52 = 7,804.24 : x
2. Step 2: Convert to fraction form
   8,738.72/13,040.52 = 7,804.24/x
3. Step 3: Cross multiply
   8,738.72x = 13,040.52 × 7,804.24
4. Step 4: Simplify right side
   8,738.72x = 101,771,347.80
5. Step 5: Solve for x
   x = 101,771,347.80/8,738.72
6. Step 6: Final answer
   x = 11,646.02