Finding the Fourth Proportional to 1,311.98, 1,968.41 and 532.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,311.98 : 1,968.41 = 532.16 : x
2. Step 2: Convert to fraction form
   1,311.98/1,968.41 = 532.16/x
3. Step 3: Cross multiply
   1,311.98x = 1,968.41 × 532.16
4. Step 4: Simplify right side
   1,311.98x = 1,047,500.55
5. Step 5: Solve for x
   x = 1,047,500.55/1,311.98
6. Step 6: Final answer
   x = 798.41