Finding the Fourth Proportional to 2,153.98, 3,228.22 and 1,180.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,153.98 : 3,228.22 = 1,180.76 : x
2. Step 2: Convert to fraction form
   2,153.98/3,228.22 = 1,180.76/x
3. Step 3: Cross multiply
   2,153.98x = 3,228.22 × 1,180.76
4. Step 4: Simplify right side
   2,153.98x = 3,811,753.05
5. Step 5: Solve for x
   x = 3,811,753.05/2,153.98
6. Step 6: Final answer
   x = 1,769.63