Finding the Fourth Proportional to 9,847.68, 13,589.72 and 5,371.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,847.68 : 13,589.72 = 5,371.42 : x
2. Step 2: Convert to fraction form
   9,847.68/13,589.72 = 5,371.42/x
3. Step 3: Cross multiply
   9,847.68x = 13,589.72 × 5,371.42
4. Step 4: Simplify right side
   9,847.68x = 72,996,093.80
5. Step 5: Solve for x
   x = 72,996,093.80/9,847.68
6. Step 6: Final answer
   x = 7,412.52