Finding the Fourth Proportional to 9,871.62, 13,623.02 and 5,395.24

Step by Step Solution

1. Step 1: Write the proportion equation
   9,871.62 : 13,623.02 = 5,395.24 : x
2. Step 2: Convert to fraction form
   9,871.62/13,623.02 = 5,395.24/x
3. Step 3: Cross multiply
   9,871.62x = 13,623.02 × 5,395.24
4. Step 4: Simplify right side
   9,871.62x = 73,499,462.42
5. Step 5: Solve for x
   x = 73,499,462.42/9,871.62
6. Step 6: Final answer
   x = 7,445.53