Finding the Fourth Proportional to 2,147.49, 3,222.31 and 1,600.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,147.49 : 3,222.31 = 1,600.77 : x
2. Step 2: Convert to fraction form
   2,147.49/3,222.31 = 1,600.77/x
3. Step 3: Cross multiply
   2,147.49x = 3,222.31 × 1,600.77
4. Step 4: Simplify right side
   2,147.49x = 5,158,157.07
5. Step 5: Solve for x
   x = 5,158,157.07/2,147.49
6. Step 6: Final answer
   x = 2,401.95