Finding the Fourth Proportional to 2,885.43, 3,981.56 and 1,766.64

Step by Step Solution

1. Step 1: Write the proportion equation
   2,885.43 : 3,981.56 = 1,766.64 : x
2. Step 2: Convert to fraction form
   2,885.43/3,981.56 = 1,766.64/x
3. Step 3: Cross multiply
   2,885.43x = 3,981.56 × 1,766.64
4. Step 4: Simplify right side
   2,885.43x = 7,033,974.33
5. Step 5: Solve for x
   x = 7,033,974.33/2,885.43
6. Step 6: Final answer
   x = 2,437.76