Finding the Fourth Proportional to 1,126.40, 1,553.98 and 733.64

Step by Step Solution

1. Step 1: Write the proportion equation
   1,126.40 : 1,553.98 = 733.64 : x
2. Step 2: Convert to fraction form
   1,126.40/1,553.98 = 733.64/x
3. Step 3: Cross multiply
   1,126.40x = 1,553.98 × 733.64
4. Step 4: Simplify right side
   1,126.40x = 1,140,061.89
5. Step 5: Solve for x
   x = 1,140,061.89/1,126.40
6. Step 6: Final answer
   x = 1,012.13