Finding the Fourth Proportional to 6,105.63, 8,425.77 and 3,311.13

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.63 : 8,425.77 = 3,311.13 : x
2. Step 2: Convert to fraction form
   6,105.63/8,425.77 = 3,311.13/x
3. Step 3: Cross multiply
   6,105.63x = 8,425.77 × 3,311.13
4. Step 4: Simplify right side
   6,105.63x = 27,898,819.82
5. Step 5: Solve for x
   x = 27,898,819.82/6,105.63
6. Step 6: Final answer
   x = 4,569.36