Finding the Fourth Proportional to 2,214.42, 3,322.17 and 654.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.42 : 3,322.17 = 654.41 : x
2. Step 2: Convert to fraction form
   2,214.42/3,322.17 = 654.41/x
3. Step 3: Cross multiply
   2,214.42x = 3,322.17 × 654.41
4. Step 4: Simplify right side
   2,214.42x = 2,174,061.27
5. Step 5: Solve for x
   x = 2,174,061.27/2,214.42
6. Step 6: Final answer
   x = 981.78