Finding the Fourth Proportional to 3,557.50, 4,909.34 and 2,066.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,557.50 : 4,909.34 = 2,066.28 : x
2. Step 2: Convert to fraction form
   3,557.50/4,909.34 = 2,066.28/x
3. Step 3: Cross multiply
   3,557.50x = 4,909.34 × 2,066.28
4. Step 4: Simplify right side
   3,557.50x = 10,144,071.06
5. Step 5: Solve for x
   x = 10,144,071.06/3,557.50
6. Step 6: Final answer
   x = 2,851.46