Finding the Fourth Proportional to 2,253.83, 3,109.79 and 1,259.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.83 : 3,109.79 = 1,259.04 : x
2. Step 2: Convert to fraction form
   2,253.83/3,109.79 = 1,259.04/x
3. Step 3: Cross multiply
   2,253.83x = 3,109.79 × 1,259.04
4. Step 4: Simplify right side
   2,253.83x = 3,915,364.81
5. Step 5: Solve for x
   x = 3,915,364.81/2,253.83
6. Step 6: Final answer
   x = 1,737.21