Finding the Fourth Proportional to 2,250.72, 3,107.90 and 1,412.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.72 : 3,107.90 = 1,412.82 : x
2. Step 2: Convert to fraction form
   2,250.72/3,107.90 = 1,412.82/x
3. Step 3: Cross multiply
   2,250.72x = 3,107.90 × 1,412.82
4. Step 4: Simplify right side
   2,250.72x = 4,390,903.28
5. Step 5: Solve for x
   x = 4,390,903.28/2,250.72
6. Step 6: Final answer
   x = 1,950.89