Finding the Fourth Proportional to 9,738.42, 13,439.01 and 5,262.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,738.42 : 13,439.01 = 5,262.17 : x
2. Step 2: Convert to fraction form
   9,738.42/13,439.01 = 5,262.17/x
3. Step 3: Cross multiply
   9,738.42x = 13,439.01 × 5,262.17
4. Step 4: Simplify right side
   9,738.42x = 70,718,355.25
5. Step 5: Solve for x
   x = 70,718,355.25/9,738.42
6. Step 6: Final answer
   x = 7,261.79