Finding the Fourth Proportional to 2,253.86, 3,110.20 and 1,259.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,253.86 : 3,110.20 = 1,259.22 : x
2. Step 2: Convert to fraction form
   2,253.86/3,110.20 = 1,259.22/x
3. Step 3: Cross multiply
   2,253.86x = 3,110.20 × 1,259.22
4. Step 4: Simplify right side
   2,253.86x = 3,916,426.04
5. Step 5: Solve for x
   x = 3,916,426.04/2,253.86
6. Step 6: Final answer
   x = 1,737.65