Finding the Fourth Proportional to 6,179.63, 8,528.06 and 3,385.31

Step by Step Solution

1. Step 1: Write the proportion equation
   6,179.63 : 8,528.06 = 3,385.31 : x
2. Step 2: Convert to fraction form
   6,179.63/8,528.06 = 3,385.31/x
3. Step 3: Cross multiply
   6,179.63x = 8,528.06 × 3,385.31
4. Step 4: Simplify right side
   6,179.63x = 28,870,092.62
5. Step 5: Solve for x
   x = 28,870,092.62/6,179.63
6. Step 6: Final answer
   x = 4,671.82