Finding the Fourth Proportional to 1,772, 2,443.72 and 1,141.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,772 : 2,443.72 = 1,141.76 : x
2. Step 2: Convert to fraction form
   1,772/2,443.72 = 1,141.76/x
3. Step 3: Cross multiply
   1,772x = 2,443.72 × 1,141.76
4. Step 4: Simplify right side
   1,772x = 2,790,141.75
5. Step 5: Solve for x
   x = 2,790,141.75/1,772
6. Step 6: Final answer
   x = 1,574.57