Finding the Fourth Proportional to 3,535.46, 4,877.04 and 2,118.74

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535.46 : 4,877.04 = 2,118.74 : x
2. Step 2: Convert to fraction form
   3,535.46/4,877.04 = 2,118.74/x
3. Step 3: Cross multiply
   3,535.46x = 4,877.04 × 2,118.74
4. Step 4: Simplify right side
   3,535.46x = 10,333,179.73
5. Step 5: Solve for x
   x = 10,333,179.73/3,535.46
6. Step 6: Final answer
   x = 2,922.73