Finding the Fourth Proportional to 1,012.03, 1,516.83 and 433.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,012.03 : 1,516.83 = 433.69 : x
2. Step 2: Convert to fraction form
   1,012.03/1,516.83 = 433.69/x
3. Step 3: Cross multiply
   1,012.03x = 1,516.83 × 433.69
4. Step 4: Simplify right side
   1,012.03x = 657,828.58
5. Step 5: Solve for x
   x = 657,828.58/1,012.03
6. Step 6: Final answer
   x = 650.01