Finding the Fourth Proportional to 1,324.34, 1,827.60 and 800.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,324.34 : 1,827.60 = 800.72 : x
2. Step 2: Convert to fraction form
   1,324.34/1,827.60 = 800.72/x
3. Step 3: Cross multiply
   1,324.34x = 1,827.60 × 800.72
4. Step 4: Simplify right side
   1,324.34x = 1,463,395.87
5. Step 5: Solve for x
   x = 1,463,395.87/1,324.34
6. Step 6: Final answer
   x = 1,105.00