Finding the Fourth Proportional to 3,619.15, 5,426.89 and 1,767.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,619.15 : 5,426.89 = 1,767.49 : x
2. Step 2: Convert to fraction form
   3,619.15/5,426.89 = 1,767.49/x
3. Step 3: Cross multiply
   3,619.15x = 5,426.89 × 1,767.49
4. Step 4: Simplify right side
   3,619.15x = 9,591,955.82
5. Step 5: Solve for x
   x = 9,591,955.82/3,619.15
6. Step 6: Final answer
   x = 2,650.34