Finding the Fourth Proportional to 8,738.28, 12,058.88 and 5,200.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,738.28 : 12,058.88 = 5,200.81 : x
2. Step 2: Convert to fraction form
   8,738.28/12,058.88 = 5,200.81/x
3. Step 3: Cross multiply
   8,738.28x = 12,058.88 × 5,200.81
4. Step 4: Simplify right side
   8,738.28x = 62,715,887.54
5. Step 5: Solve for x
   x = 62,715,887.54/8,738.28
6. Step 6: Final answer
   x = 7,177.14