Finding the Fourth Proportional to 3,280.83, 4,921.98 and 1,200.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,280.83 : 4,921.98 = 1,200.82 : x
2. Step 2: Convert to fraction form
   3,280.83/4,921.98 = 1,200.82/x
3. Step 3: Cross multiply
   3,280.83x = 4,921.98 × 1,200.82
4. Step 4: Simplify right side
   3,280.83x = 5,910,412.02
5. Step 5: Solve for x
   x = 5,910,412.02/3,280.83
6. Step 6: Final answer
   x = 1,801.50