Finding the Fourth Proportional to 1,084.02, 1,626.15 and 434.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,084.02 : 1,626.15 = 434.82 : x
2. Step 2: Convert to fraction form
   1,084.02/1,626.15 = 434.82/x
3. Step 3: Cross multiply
   1,084.02x = 1,626.15 × 434.82
4. Step 4: Simplify right side
   1,084.02x = 707,082.54
5. Step 5: Solve for x
   x = 707,082.54/1,084.02
6. Step 6: Final answer
   x = 652.28