Finding the Fourth Proportional to 6,109.07, 8,430.69 and 3,456.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.07 : 8,430.69 = 3,456.42 : x
2. Step 2: Convert to fraction form
   6,109.07/8,430.69 = 3,456.42/x
3. Step 3: Cross multiply
   6,109.07x = 8,430.69 × 3,456.42
4. Step 4: Simplify right side
   6,109.07x = 29,140,017.97
5. Step 5: Solve for x
   x = 29,140,017.97/6,109.07
6. Step 6: Final answer
   x = 4,769.96