Finding the Fourth Proportional to 1,433.58, 2,150.76 and 1,142.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.58 : 2,150.76 = 1,142.18 : x
2. Step 2: Convert to fraction form
   1,433.58/2,150.76 = 1,142.18/x
3. Step 3: Cross multiply
   1,433.58x = 2,150.76 × 1,142.18
4. Step 4: Simplify right side
   1,433.58x = 2,456,550.77
5. Step 5: Solve for x
   x = 2,456,550.77/1,433.58
6. Step 6: Final answer
   x = 1,713.58