Finding the Fourth Proportional to 2,253.52, 3,109.62 and 1,309.13

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.52 : 3,109.62 = 1,309.13 : x
2. Step 2: Convert to fraction form
   2,253.52/3,109.62 = 1,309.13/x
3. Step 3: Cross multiply
   2,253.52x = 3,109.62 × 1,309.13
4. Step 4: Simplify right side
   2,253.52x = 4,070,896.83
5. Step 5: Solve for x
   x = 4,070,896.83/2,253.52
6. Step 6: Final answer
   x = 1,806.46