Finding the Fourth Proportional to 1,083.34, 1,624.47 and 352.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.34 : 1,624.47 = 352.72 : x
2. Step 2: Convert to fraction form
   1,083.34/1,624.47 = 352.72/x
3. Step 3: Cross multiply
   1,083.34x = 1,624.47 × 352.72
4. Step 4: Simplify right side
   1,083.34x = 572,983.06
5. Step 5: Solve for x
   x = 572,983.06/1,083.34
6. Step 6: Final answer
   x = 528.90