Finding the Fourth Proportional to 9,627.24, 13,285.45 and 5,378.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627.24 : 13,285.45 = 5,378.37 : x
2. Step 2: Convert to fraction form
   9,627.24/13,285.45 = 5,378.37/x
3. Step 3: Cross multiply
   9,627.24x = 13,285.45 × 5,378.37
4. Step 4: Simplify right side
   9,627.24x = 71,454,065.72
5. Step 5: Solve for x
   x = 71,454,065.72/9,627.24
6. Step 6: Final answer
   x = 7,422.07