Finding the Fourth Proportional to 6,108.48, 8,430.21 and 3,456.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,108.48 : 8,430.21 = 3,456.72 : x
2. Step 2: Convert to fraction form
   6,108.48/8,430.21 = 3,456.72/x
3. Step 3: Cross multiply
   6,108.48x = 8,430.21 × 3,456.72
4. Step 4: Simplify right side
   6,108.48x = 29,140,875.51
5. Step 5: Solve for x
   x = 29,140,875.51/6,108.48
6. Step 6: Final answer
   x = 4,770.56