Finding the Fourth Proportional to 6,123.48, 8,450.68 and 3,470.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,123.48 : 8,450.68 = 3,470.72 : x
2. Step 2: Convert to fraction form
   6,123.48/8,450.68 = 3,470.72/x
3. Step 3: Cross multiply
   6,123.48x = 8,450.68 × 3,470.72
4. Step 4: Simplify right side
   6,123.48x = 29,329,944.09
5. Step 5: Solve for x
   x = 29,329,944.09/6,123.48
6. Step 6: Final answer
   x = 4,789.75