Finding the Fourth Proportional to 1,068.38, 1,474.37 and 626.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.38 : 1,474.37 = 626.55 : x
2. Step 2: Convert to fraction form
   1,068.38/1,474.37 = 626.55/x
3. Step 3: Cross multiply
   1,068.38x = 1,474.37 × 626.55
4. Step 4: Simplify right side
   1,068.38x = 923,768.09
5. Step 5: Solve for x
   x = 923,768.09/1,068.38
6. Step 6: Final answer
   x = 864.64