Finding the Fourth Proportional to 3,278.01, 4,546.83 and 3,159.80

Step by Step Solution

1. Step 1: Write the proportion equation
   3,278.01 : 4,546.83 = 3,159.80 : x
2. Step 2: Convert to fraction form
   3,278.01/4,546.83 = 3,159.80/x
3. Step 3: Cross multiply
   3,278.01x = 4,546.83 × 3,159.80
4. Step 4: Simplify right side
   3,278.01x = 14,367,061.83
5. Step 5: Solve for x
   x = 14,367,061.83/3,278.01
6. Step 6: Final answer
   x = 4,382.86