Finding the Fourth Proportional to 3,457.82, 4,772.69 and 2,132.61

Step by Step Solution

1. Step 1: Write the proportion equation
   3,457.82 : 4,772.69 = 2,132.61 : x
2. Step 2: Convert to fraction form
   3,457.82/4,772.69 = 2,132.61/x
3. Step 3: Cross multiply
   3,457.82x = 4,772.69 × 2,132.61
4. Step 4: Simplify right side
   3,457.82x = 10,178,286.42
5. Step 5: Solve for x
   x = 10,178,286.42/3,457.82
6. Step 6: Final answer
   x = 2,943.56