Finding the Fourth Proportional to 9,627.33, 13,285.57 and 5,378.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,627.33 : 13,285.57 = 5,378.45 : x
2. Step 2: Convert to fraction form
   9,627.33/13,285.57 = 5,378.45/x
3. Step 3: Cross multiply
   9,627.33x = 13,285.57 × 5,378.45
4. Step 4: Simplify right side
   9,627.33x = 71,455,773.97
5. Step 5: Solve for x
   x = 71,455,773.97/9,627.33
6. Step 6: Final answer
   x = 7,422.18