Finding the Fourth Proportional to 3,591.82, 4,954.69 and 2,155.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.82 : 4,954.69 = 2,155.82 : x
2. Step 2: Convert to fraction form
   3,591.82/4,954.69 = 2,155.82/x
3. Step 3: Cross multiply
   3,591.82x = 4,954.69 × 2,155.82
4. Step 4: Simplify right side
   3,591.82x = 10,681,415.49
5. Step 5: Solve for x
   x = 10,681,415.49/3,591.82
6. Step 6: Final answer
   x = 2,973.81