Finding the Fourth Proportional to 1,068.39, 1,474.39 and 626.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.39 : 1,474.39 = 626.18 : x
2. Step 2: Convert to fraction form
   1,068.39/1,474.39 = 626.18/x
3. Step 3: Cross multiply
   1,068.39x = 1,474.39 × 626.18
4. Step 4: Simplify right side
   1,068.39x = 923,223.03
5. Step 5: Solve for x
   x = 923,223.03/1,068.39
6. Step 6: Final answer
   x = 864.13