Finding the Fourth Proportional to 6,105.42, 8,425.38 and 3,453.30

Step by Step Solution

1. Step 1: Write the proportion equation
   6,105.42 : 8,425.38 = 3,453.30 : x
2. Step 2: Convert to fraction form
   6,105.42/8,425.38 = 3,453.30/x
3. Step 3: Cross multiply
   6,105.42x = 8,425.38 × 3,453.30
4. Step 4: Simplify right side
   6,105.42x = 29,095,364.75
5. Step 5: Solve for x
   x = 29,095,364.75/6,105.42
6. Step 6: Final answer
   x = 4,765.50