Finding the Fourth Proportional to 1,944.45, 2,918.16 and 1,425.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,944.45 : 2,918.16 = 1,425.83 : x
2. Step 2: Convert to fraction form
   1,944.45/2,918.16 = 1,425.83/x
3. Step 3: Cross multiply
   1,944.45x = 2,918.16 × 1,425.83
4. Step 4: Simplify right side
   1,944.45x = 4,160,785.48
5. Step 5: Solve for x
   x = 4,160,785.48/1,944.45
6. Step 6: Final answer
   x = 2,139.83