Finding the Fourth Proportional to 1,293.31, 1,940.40 and 563.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293.31 : 1,940.40 = 563.37 : x
2. Step 2: Convert to fraction form
   1,293.31/1,940.40 = 563.37/x
3. Step 3: Cross multiply
   1,293.31x = 1,940.40 × 563.37
4. Step 4: Simplify right side
   1,293.31x = 1,093,153.45
5. Step 5: Solve for x
   x = 1,093,153.45/1,293.31
6. Step 6: Final answer
   x = 845.24