Finding the Fourth Proportional to 9,838.18, 13,576.89 and 5,362.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,838.18 : 13,576.89 = 5,362.12 : x
2. Step 2: Convert to fraction form
   9,838.18/13,576.89 = 5,362.12/x
3. Step 3: Cross multiply
   9,838.18x = 13,576.89 × 5,362.12
4. Step 4: Simplify right side
   9,838.18x = 72,800,913.41
5. Step 5: Solve for x
   x = 72,800,913.41/9,838.18
6. Step 6: Final answer
   x = 7,399.84