Finding the Fourth Proportional to 9,353.72, 12,907.81 and 5,574.94

Step by Step Solution

1. Step 1: Write the proportion equation
   9,353.72 : 12,907.81 = 5,574.94 : x
2. Step 2: Convert to fraction form
   9,353.72/12,907.81 = 5,574.94/x
3. Step 3: Cross multiply
   9,353.72x = 12,907.81 × 5,574.94
4. Step 4: Simplify right side
   9,353.72x = 71,960,251.29
5. Step 5: Solve for x
   x = 71,960,251.29/9,353.72
6. Step 6: Final answer
   x = 7,693.22