Finding the Fourth Proportional to 9,258.05, 12,776.12 and 5,066.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,258.05 : 12,776.12 = 5,066.30 : x
2. Step 2: Convert to fraction form
   9,258.05/12,776.12 = 5,066.30/x
3. Step 3: Cross multiply
   9,258.05x = 12,776.12 × 5,066.30
4. Step 4: Simplify right side
   9,258.05x = 64,727,567.54
5. Step 5: Solve for x
   x = 64,727,567.54/9,258.05
6. Step 6: Final answer
   x = 6,991.49