Finding the Fourth Proportional to 9,622.10, 13,278.89 and 5,373.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,622.10 : 13,278.89 = 5,373.38 : x
2. Step 2: Convert to fraction form
   9,622.10/13,278.89 = 5,373.38/x
3. Step 3: Cross multiply
   9,622.10x = 13,278.89 × 5,373.38
4. Step 4: Simplify right side
   9,622.10x = 71,352,568.58
5. Step 5: Solve for x
   x = 71,352,568.58/9,622.10
6. Step 6: Final answer
   x = 7,415.49