Finding the Fourth Proportional to 2,499.77, 3,451 and 1,616.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,499.77 : 3,451 = 1,616.07 : x
2. Step 2: Convert to fraction form
   2,499.77/3,451 = 1,616.07/x
3. Step 3: Cross multiply
   2,499.77x = 3,451 × 1,616.07
4. Step 4: Simplify right side
   2,499.77x = 5,577,057.57
5. Step 5: Solve for x
   x = 5,577,057.57/2,499.77
6. Step 6: Final answer
   x = 2,231.03