Finding the Fourth Proportional to 6,109.13, 8,430.59 and 3,456.48

Step by Step Solution

1. Step 1: Write the proportion equation
   6,109.13 : 8,430.59 = 3,456.48 : x
2. Step 2: Convert to fraction form
   6,109.13/8,430.59 = 3,456.48/x
3. Step 3: Cross multiply
   6,109.13x = 8,430.59 × 3,456.48
4. Step 4: Simplify right side
   6,109.13x = 29,140,165.72
5. Step 5: Solve for x
   x = 29,140,165.72/6,109.13
6. Step 6: Final answer
   x = 4,769.94