Finding the Fourth Proportional to 9,222.77, 12,727.04 and 5,447.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,222.77 : 12,727.04 = 5,447.15 : x
2. Step 2: Convert to fraction form
   9,222.77/12,727.04 = 5,447.15/x
3. Step 3: Cross multiply
   9,222.77x = 12,727.04 × 5,447.15
4. Step 4: Simplify right side
   9,222.77x = 69,326,141.37
5. Step 5: Solve for x
   x = 69,326,141.37/9,222.77
6. Step 6: Final answer
   x = 7,516.84