Finding the Fourth Proportional to 1,016.59, 1,521.37 and 626.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,016.59 : 1,521.37 = 626.44 : x
2. Step 2: Convert to fraction form
   1,016.59/1,521.37 = 626.44/x
3. Step 3: Cross multiply
   1,016.59x = 1,521.37 × 626.44
4. Step 4: Simplify right side
   1,016.59x = 953,047.02
5. Step 5: Solve for x
   x = 953,047.02/1,016.59
6. Step 6: Final answer
   x = 937.49