Finding the Fourth Proportional to 2,550.76, 3,521.69 and 1,607.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,550.76 : 3,521.69 = 1,607.83 : x
2. Step 2: Convert to fraction form
   2,550.76/3,521.69 = 1,607.83/x
3. Step 3: Cross multiply
   2,550.76x = 3,521.69 × 1,607.83
4. Step 4: Simplify right side
   2,550.76x = 5,662,278.83
5. Step 5: Solve for x
   x = 5,662,278.83/2,550.76
6. Step 6: Final answer
   x = 2,219.84