Finding the Fourth Proportional to 9,222, 12,727.32 and 5,685.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,222 : 12,727.32 = 5,685.12 : x
2. Step 2: Convert to fraction form
   9,222/12,727.32 = 5,685.12/x
3. Step 3: Cross multiply
   9,222x = 12,727.32 × 5,685.12
4. Step 4: Simplify right side
   9,222x = 72,356,341.48
5. Step 5: Solve for x
   x = 72,356,341.48/9,222
6. Step 6: Final answer
   x = 7,846.06