Finding the Fourth Proportional to 6,123.43, 8,449.83 and 3,470.80

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.43 : 8,449.83 = 3,470.80 : x
2. Step 2: Convert to fraction form
   6,123.43/8,449.83 = 3,470.80/x
3. Step 3: Cross multiply
   6,123.43x = 8,449.83 × 3,470.80
4. Step 4: Simplify right side
   6,123.43x = 29,327,669.96
5. Step 5: Solve for x
   x = 29,327,669.96/6,123.43
6. Step 6: Final answer
   x = 4,789.42