Finding the Fourth Proportional to 2,250.16, 3,105.88 and 1,422.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,250.16 : 3,105.88 = 1,422.64 : x
2. Step 2: Convert to fraction form
   2,250.16/3,105.88 = 1,422.64/x
3. Step 3: Cross multiply
   2,250.16x = 3,105.88 × 1,422.64
4. Step 4: Simplify right side
   2,250.16x = 4,418,549.12
5. Step 5: Solve for x
   x = 4,418,549.12/2,250.16
6. Step 6: Final answer
   x = 1,963.66