Finding the Fourth Proportional to 8,076.58, 12,122.18 and 3,400.06

Step by Step Solution

1. Step 1: Write the proportion equation
   8,076.58 : 12,122.18 = 3,400.06 : x
2. Step 2: Convert to fraction form
   8,076.58/12,122.18 = 3,400.06/x
3. Step 3: Cross multiply
   8,076.58x = 12,122.18 × 3,400.06
4. Step 4: Simplify right side
   8,076.58x = 41,216,139.33
5. Step 5: Solve for x
   x = 41,216,139.33/8,076.58
6. Step 6: Final answer
   x = 5,103.17