Finding the Fourth Proportional to 1,123.34, 1,550.25 and 739.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,123.34 : 1,550.25 = 739.94 : x
2. Step 2: Convert to fraction form
   1,123.34/1,550.25 = 739.94/x
3. Step 3: Cross multiply
   1,123.34x = 1,550.25 × 739.94
4. Step 4: Simplify right side
   1,123.34x = 1,147,084.23
5. Step 5: Solve for x
   x = 1,147,084.23/1,123.34
6. Step 6: Final answer
   x = 1,021.14