Finding the Fourth Proportional to 3,535.59, 4,881.56 and 2,209.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,535.59 : 4,881.56 = 2,209.89 : x
2. Step 2: Convert to fraction form
   3,535.59/4,881.56 = 2,209.89/x
3. Step 3: Cross multiply
   3,535.59x = 4,881.56 × 2,209.89
4. Step 4: Simplify right side
   3,535.59x = 10,787,699.58
5. Step 5: Solve for x
   x = 10,787,699.58/3,535.59
6. Step 6: Final answer
   x = 3,051.17