Finding the Fourth Proportional to 8,156.16, 12,238.29 and 3,776.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,156.16 : 12,238.29 = 3,776.69 : x
2. Step 2: Convert to fraction form
   8,156.16/12,238.29 = 3,776.69/x
3. Step 3: Cross multiply
   8,156.16x = 12,238.29 × 3,776.69
4. Step 4: Simplify right side
   8,156.16x = 46,220,258.06
5. Step 5: Solve for x
   x = 46,220,258.06/8,156.16
6. Step 6: Final answer
   x = 5,666.91