Finding the Fourth Proportional to 1,123.34, 1,550.24 and 626.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.34 : 1,550.24 = 626.03 : x
2. Step 2: Convert to fraction form
   1,123.34/1,550.24 = 626.03/x
3. Step 3: Cross multiply
   1,123.34x = 1,550.24 × 626.03
4. Step 4: Simplify right side
   1,123.34x = 970,494.03
5. Step 5: Solve for x
   x = 970,494.03/1,123.34
6. Step 6: Final answer
   x = 863.94