Finding the Fourth Proportional to 9,140.67, 12,614.36 and 5,605.83

Step by Step Solution

1. Step 1: Write the proportion equation
   9,140.67 : 12,614.36 = 5,605.83 : x
2. Step 2: Convert to fraction form
   9,140.67/12,614.36 = 5,605.83/x
3. Step 3: Cross multiply
   9,140.67x = 12,614.36 × 5,605.83
4. Step 4: Simplify right side
   9,140.67x = 70,713,929.69
5. Step 5: Solve for x
   x = 70,713,929.69/9,140.67
6. Step 6: Final answer
   x = 7,736.19