Finding the Fourth Proportional to 1,224.62, 1,689.50 and 700.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,224.62 : 1,689.50 = 700.37 : x
2. Step 2: Convert to fraction form
   1,224.62/1,689.50 = 700.37/x
3. Step 3: Cross multiply
   1,224.62x = 1,689.50 × 700.37
4. Step 4: Simplify right side
   1,224.62x = 1,183,271.61
5. Step 5: Solve for x
   x = 1,183,271.61/1,224.62
6. Step 6: Final answer
   x = 966.24