Finding the Fourth Proportional to 1,082.52, 1,624.05 and 433.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.52 : 1,624.05 = 433.98 : x
2. Step 2: Convert to fraction form
   1,082.52/1,624.05 = 433.98/x
3. Step 3: Cross multiply
   1,082.52x = 1,624.05 × 433.98
4. Step 4: Simplify right side
   1,082.52x = 704,805.22
5. Step 5: Solve for x
   x = 704,805.22/1,082.52
6. Step 6: Final answer
   x = 651.08