Finding the Fourth Proportional to 3,619.89, 4,995.50 and 2,203.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619.89 : 4,995.50 = 2,203.61 : x
2. Step 2: Convert to fraction form
   3,619.89/4,995.50 = 2,203.61/x
3. Step 3: Cross multiply
   3,619.89x = 4,995.50 × 2,203.61
4. Step 4: Simplify right side
   3,619.89x = 11,008,097.76
5. Step 5: Solve for x
   x = 11,008,097.76/3,619.89
6. Step 6: Final answer
   x = 3,041.00