Finding the Fourth Proportional to 1,068.47, 1,474.50 and 626.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,068.47 : 1,474.50 = 626.38 : x
2. Step 2: Convert to fraction form
   1,068.47/1,474.50 = 626.38/x
3. Step 3: Cross multiply
   1,068.47x = 1,474.50 × 626.38
4. Step 4: Simplify right side
   1,068.47x = 923,601.50
5. Step 5: Solve for x
   x = 923,601.50/1,068.47
6. Step 6: Final answer
   x = 864.41