Finding the Fourth Proportional to 3,607.80, 4,978.83 and 2,035.59

Step by Step Solution

1. Step 1: Write the proportion equation
   3,607.80 : 4,978.83 = 2,035.59 : x
2. Step 2: Convert to fraction form
   3,607.80/4,978.83 = 2,035.59/x
3. Step 3: Cross multiply
   3,607.80x = 4,978.83 × 2,035.59
4. Step 4: Simplify right side
   3,607.80x = 10,134,856.56
5. Step 5: Solve for x
   x = 10,134,856.56/3,607.80
6. Step 6: Final answer
   x = 2,809.15