Finding the Fourth Proportional to 1,839.74, 2,536.38 and 1,249.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.74 : 2,536.38 = 1,249.25 : x
2. Step 2: Convert to fraction form
   1,839.74/2,536.38 = 1,249.25/x
3. Step 3: Cross multiply
   1,839.74x = 2,536.38 × 1,249.25
4. Step 4: Simplify right side
   1,839.74x = 3,168,572.72
5. Step 5: Solve for x
   x = 3,168,572.72/1,839.74
6. Step 6: Final answer
   x = 1,722.29