Finding the Fourth Proportional to 3,669.77, 5,500.50 and 1,822.20

Step by Step Solution

1. Step 1: Write the proportion equation
   3,669.77 : 5,500.50 = 1,822.20 : x
2. Step 2: Convert to fraction form
   3,669.77/5,500.50 = 1,822.20/x
3. Step 3: Cross multiply
   3,669.77x = 5,500.50 × 1,822.20
4. Step 4: Simplify right side
   3,669.77x = 10,023,011.10
5. Step 5: Solve for x
   x = 10,023,011.10/3,669.77
6. Step 6: Final answer
   x = 2,731.24