Finding the Fourth Proportional to 1,443.24, 1,992.56 and 1,111.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,443.24 : 1,992.56 = 1,111.01 : x
2. Step 2: Convert to fraction form
   1,443.24/1,992.56 = 1,111.01/x
3. Step 3: Cross multiply
   1,443.24x = 1,992.56 × 1,111.01
4. Step 4: Simplify right side
   1,443.24x = 2,213,738.57
5. Step 5: Solve for x
   x = 2,213,738.57/1,443.24
6. Step 6: Final answer
   x = 1,533.87