Finding the Fourth Proportional to 3,557.62, 4,909.53 and 2,066.41

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557.62 : 4,909.53 = 2,066.41 : x
2. Step 2: Convert to fraction form
   3,557.62/4,909.53 = 2,066.41/x
3. Step 3: Cross multiply
   3,557.62x = 4,909.53 × 2,066.41
4. Step 4: Simplify right side
   3,557.62x = 10,145,101.89
5. Step 5: Solve for x
   x = 10,145,101.89/3,557.62
6. Step 6: Final answer
   x = 2,851.65