Finding the Fourth Proportional to 2,814.48, 4,217.72 and 1,332.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.48 : 4,217.72 = 1,332.12 : x
2. Step 2: Convert to fraction form
   2,814.48/4,217.72 = 1,332.12/x
3. Step 3: Cross multiply
   2,814.48x = 4,217.72 × 1,332.12
4. Step 4: Simplify right side
   2,814.48x = 5,618,509.17
5. Step 5: Solve for x
   x = 5,618,509.17/2,814.48
6. Step 6: Final answer
   x = 1,996.29