Finding the Fourth Proportional to 9,847.55, 13,589.31 and 5,371.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,847.55 : 13,589.31 = 5,371.38 : x
2. Step 2: Convert to fraction form
   9,847.55/13,589.31 = 5,371.38/x
3. Step 3: Cross multiply
   9,847.55x = 13,589.31 × 5,371.38
4. Step 4: Simplify right side
   9,847.55x = 72,993,347.95
5. Step 5: Solve for x
   x = 72,993,347.95/9,847.55
6. Step 6: Final answer
   x = 7,412.34