Finding the Fourth Proportional to 8,156.77, 12,227.82 and 2,959

Step by Step Solution

1. Step 1: Write the proportion equation
   8,156.77 : 12,227.82 = 2,959 : x
2. Step 2: Convert to fraction form
   8,156.77/12,227.82 = 2,959/x
3. Step 3: Cross multiply
   8,156.77x = 12,227.82 × 2,959
4. Step 4: Simplify right side
   8,156.77x = 36,182,119.38
5. Step 5: Solve for x
   x = 36,182,119.38/8,156.77
6. Step 6: Final answer
   x = 4,435.84