Finding the Fourth Proportional to 9,816.17, 13,546.54 and 5,340.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,816.17 : 13,546.54 = 5,340.17 : x
2. Step 2: Convert to fraction form
   9,816.17/13,546.54 = 5,340.17/x
3. Step 3: Cross multiply
   9,816.17x = 13,546.54 × 5,340.17
4. Step 4: Simplify right side
   9,816.17x = 72,340,745.43
5. Step 5: Solve for x
   x = 72,340,745.43/9,816.17
6. Step 6: Final answer
   x = 7,369.55