Finding the Fourth Proportional to 1,433.83, 2,151.08 and 446.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.83 : 2,151.08 = 446.59 : x
2. Step 2: Convert to fraction form
   1,433.83/2,151.08 = 446.59/x
3. Step 3: Cross multiply
   1,433.83x = 2,151.08 × 446.59
4. Step 4: Simplify right side
   1,433.83x = 960,650.82
5. Step 5: Solve for x
   x = 960,650.82/1,433.83
6. Step 6: Final answer
   x = 669.99