Finding the Fourth Proportional to 9,258.18, 12,776.22 and 5,009.22

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258.18 : 12,776.22 = 5,009.22 : x
2. Step 2: Convert to fraction form
   9,258.18/12,776.22 = 5,009.22/x
3. Step 3: Cross multiply
   9,258.18x = 12,776.22 × 5,009.22
4. Step 4: Simplify right side
   9,258.18x = 63,998,896.75
5. Step 5: Solve for x
   x = 63,998,896.75/9,258.18
6. Step 6: Final answer
   x = 6,912.69