Finding the Fourth Proportional to 6,123.05, 8,449.11 and 3,469.89

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.05 : 8,449.11 = 3,469.89 : x
2. Step 2: Convert to fraction form
   6,123.05/8,449.11 = 3,469.89/x
3. Step 3: Cross multiply
   6,123.05x = 8,449.11 × 3,469.89
4. Step 4: Simplify right side
   6,123.05x = 29,317,482.30
5. Step 5: Solve for x
   x = 29,317,482.30/6,123.05
6. Step 6: Final answer
   x = 4,788.06