Finding the Fourth Proportional to 1,433.10, 1,980.24 and 1,119.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.10 : 1,980.24 = 1,119.12 : x
2. Step 2: Convert to fraction form
   1,433.10/1,980.24 = 1,119.12/x
3. Step 3: Cross multiply
   1,433.10x = 1,980.24 × 1,119.12
4. Step 4: Simplify right side
   1,433.10x = 2,216,126.19
5. Step 5: Solve for x
   x = 2,216,126.19/1,433.10
6. Step 6: Final answer
   x = 1,546.39