Finding the Fourth Proportional to 2,253.49, 3,109.94 and 1,259.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.49 : 3,109.94 = 1,259.02 : x
2. Step 2: Convert to fraction form
   2,253.49/3,109.94 = 1,259.02/x
3. Step 3: Cross multiply
   2,253.49x = 3,109.94 × 1,259.02
4. Step 4: Simplify right side
   2,253.49x = 3,915,476.66
5. Step 5: Solve for x
   x = 3,915,476.66/2,253.49
6. Step 6: Final answer
   x = 1,737.52