Finding the Fourth Proportional to 9,871.38, 13,623.46 and 5,395.82

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871.38 : 13,623.46 = 5,395.82 : x
2. Step 2: Convert to fraction form
   9,871.38/13,623.46 = 5,395.82/x
3. Step 3: Cross multiply
   9,871.38x = 13,623.46 × 5,395.82
4. Step 4: Simplify right side
   9,871.38x = 73,509,737.94
5. Step 5: Solve for x
   x = 73,509,737.94/9,871.38
6. Step 6: Final answer
   x = 7,446.75