Finding the Fourth Proportional to 1,433.08, 2,150.69 and 555.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.08 : 2,150.69 = 555.72 : x
2. Step 2: Convert to fraction form
   1,433.08/2,150.69 = 555.72/x
3. Step 3: Cross multiply
   1,433.08x = 2,150.69 × 555.72
4. Step 4: Simplify right side
   1,433.08x = 1,195,183.02
5. Step 5: Solve for x
   x = 1,195,183.02/1,433.08
6. Step 6: Final answer
   x = 833.99