Finding the Fourth Proportional to 6,128.09, 8,456.71 and 3,333.59

Step by Step Solution

1. Step 1: Write the proportion equation
   6,128.09 : 8,456.71 = 3,333.59 : x
2. Step 2: Convert to fraction form
   6,128.09/8,456.71 = 3,333.59/x
3. Step 3: Cross multiply
   6,128.09x = 8,456.71 × 3,333.59
4. Step 4: Simplify right side
   6,128.09x = 28,191,203.89
5. Step 5: Solve for x
   x = 28,191,203.89/6,128.09
6. Step 6: Final answer
   x = 4,600.32