Finding the Fourth Proportional to 2,240.52, 3,091.94 and 1,309.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,240.52 : 3,091.94 = 1,309.02 : x
2. Step 2: Convert to fraction form
   2,240.52/3,091.94 = 1,309.02/x
3. Step 3: Cross multiply
   2,240.52x = 3,091.94 × 1,309.02
4. Step 4: Simplify right side
   2,240.52x = 4,047,411.30
5. Step 5: Solve for x
   x = 4,047,411.30/2,240.52
6. Step 6: Final answer
   x = 1,806.46