Finding the Fourth Proportional to 1,243.29, 1,715.98 and 746.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,243.29 : 1,715.98 = 746.22 : x
2. Step 2: Convert to fraction form
   1,243.29/1,715.98 = 746.22/x
3. Step 3: Cross multiply
   1,243.29x = 1,715.98 × 746.22
4. Step 4: Simplify right side
   1,243.29x = 1,280,498.60
5. Step 5: Solve for x
   x = 1,280,498.60/1,243.29
6. Step 6: Final answer
   x = 1,029.93