Finding the Fourth Proportional to 2,176.37, 3,259.33 and 1,249.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.37 : 3,259.33 = 1,249.12 : x
2. Step 2: Convert to fraction form
   2,176.37/3,259.33 = 1,249.12/x
3. Step 3: Cross multiply
   2,176.37x = 3,259.33 × 1,249.12
4. Step 4: Simplify right side
   2,176.37x = 4,071,294.29
5. Step 5: Solve for x
   x = 4,071,294.29/2,176.37
6. Step 6: Final answer
   x = 1,870.68