Finding the Fourth Proportional to 1,561.30, 2,352.66 and 1,293.38

Step by Step Solution

1. Step 1: Write the proportion equation
   1,561.30 : 2,352.66 = 1,293.38 : x
2. Step 2: Convert to fraction form
   1,561.30/2,352.66 = 1,293.38/x
3. Step 3: Cross multiply
   1,561.30x = 2,352.66 × 1,293.38
4. Step 4: Simplify right side
   1,561.30x = 3,042,883.39
5. Step 5: Solve for x
   x = 3,042,883.39/1,561.30
6. Step 6: Final answer
   x = 1,948.94