Finding the Fourth Proportional to 3,591.94, 4,956.78 and 2,020

Step by Step Solution

1. Step 1: Write the proportion equation
   3,591.94 : 4,956.78 = 2,020 : x
2. Step 2: Convert to fraction form
   3,591.94/4,956.78 = 2,020/x
3. Step 3: Cross multiply
   3,591.94x = 4,956.78 × 2,020
4. Step 4: Simplify right side
   3,591.94x = 10,012,695.60
5. Step 5: Solve for x
   x = 10,012,695.60/3,591.94
6. Step 6: Final answer
   x = 2,787.55