Finding the Fourth Proportional to 2,635.72, 3,955.51 and 1,944.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,635.72 : 3,955.51 = 1,944.25 : x
2. Step 2: Convert to fraction form
   2,635.72/3,955.51 = 1,944.25/x
3. Step 3: Cross multiply
   2,635.72x = 3,955.51 × 1,944.25
4. Step 4: Simplify right side
   2,635.72x = 7,690,509.64
5. Step 5: Solve for x
   x = 7,690,509.64/2,635.72
6. Step 6: Final answer
   x = 2,917.80