Finding the Fourth Proportional to 1,441.74, 1,989.63 and 1,127.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,441.74 : 1,989.63 = 1,127.37 : x
2. Step 2: Convert to fraction form
   1,441.74/1,989.63 = 1,127.37/x
3. Step 3: Cross multiply
   1,441.74x = 1,989.63 × 1,127.37
4. Step 4: Simplify right side
   1,441.74x = 2,243,049.17
5. Step 5: Solve for x
   x = 2,243,049.17/1,441.74
6. Step 6: Final answer
   x = 1,555.79