Finding the Fourth Proportional to 1,665.95, 2,498.96 and 433.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.95 : 2,498.96 = 433.33 : x
2. Step 2: Convert to fraction form
   1,665.95/2,498.96 = 433.33/x
3. Step 3: Cross multiply
   1,665.95x = 2,498.96 × 433.33
4. Step 4: Simplify right side
   1,665.95x = 1,082,869.17
5. Step 5: Solve for x
   x = 1,082,869.17/1,665.95
6. Step 6: Final answer
   x = 650.00