Finding the Fourth Proportional to 9,258.67, 12,776.94 and 5,009.71

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258.67 : 12,776.94 = 5,009.71 : x
2. Step 2: Convert to fraction form
   9,258.67/12,776.94 = 5,009.71/x
3. Step 3: Cross multiply
   9,258.67x = 12,776.94 × 5,009.71
4. Step 4: Simplify right side
   9,258.67x = 64,008,739.04
5. Step 5: Solve for x
   x = 64,008,739.04/9,258.67
6. Step 6: Final answer
   x = 6,913.39