Finding the Fourth Proportional to 1,082.89, 1,624.71 and 352.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,082.89 : 1,624.71 = 352.46 : x
2. Step 2: Convert to fraction form
   1,082.89/1,624.71 = 352.46/x
3. Step 3: Cross multiply
   1,082.89x = 1,624.71 × 352.46
4. Step 4: Simplify right side
   1,082.89x = 572,650.67
5. Step 5: Solve for x
   x = 572,650.67/1,082.89
6. Step 6: Final answer
   x = 528.82