Finding the Fourth Proportional to 2,150.56, 2,966.67 and 1,809.76

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.56 : 2,966.67 = 1,809.76 : x
2. Step 2: Convert to fraction form
   2,150.56/2,966.67 = 1,809.76/x
3. Step 3: Cross multiply
   2,150.56x = 2,966.67 × 1,809.76
4. Step 4: Simplify right side
   2,150.56x = 5,368,960.70
5. Step 5: Solve for x
   x = 5,368,960.70/2,150.56
6. Step 6: Final answer
   x = 2,496.54