Finding the Fourth Proportional to 1,068.50, 1,474.17 and 626.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.50 : 1,474.17 = 626.42 : x
2. Step 2: Convert to fraction form
   1,068.50/1,474.17 = 626.42/x
3. Step 3: Cross multiply
   1,068.50x = 1,474.17 × 626.42
4. Step 4: Simplify right side
   1,068.50x = 923,449.57
5. Step 5: Solve for x
   x = 923,449.57/1,068.50
6. Step 6: Final answer
   x = 864.25