Finding the Fourth Proportional to 6,105.78, 8,425.76 and 3,453.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.78 : 8,425.76 = 3,453.02 : x
2. Step 2: Convert to fraction form
   6,105.78/8,425.76 = 3,453.02/x
3. Step 3: Cross multiply
   6,105.78x = 8,425.76 × 3,453.02
4. Step 4: Simplify right side
   6,105.78x = 29,094,317.80
5. Step 5: Solve for x
   x = 29,094,317.80/6,105.78
6. Step 6: Final answer
   x = 4,765.05