Finding the Fourth Proportional to 1,628.18, 2,442.50 and 532.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,628.18 : 2,442.50 = 532.31 : x
2. Step 2: Convert to fraction form
   1,628.18/2,442.50 = 532.31/x
3. Step 3: Cross multiply
   1,628.18x = 2,442.50 × 532.31
4. Step 4: Simplify right side
   1,628.18x = 1,300,152.30
5. Step 5: Solve for x
   x = 1,300,152.30/1,628.18
6. Step 6: Final answer
   x = 798.53