Finding the Fourth Proportional to 2,214.72, 3,055.68 and 1,283.04

Step by Step Solution

1. Step 1: Write the proportion equation
   2,214.72 : 3,055.68 = 1,283.04 : x
2. Step 2: Convert to fraction form
   2,214.72/3,055.68 = 1,283.04/x
3. Step 3: Cross multiply
   2,214.72x = 3,055.68 × 1,283.04
4. Step 4: Simplify right side
   2,214.72x = 3,920,559.67
5. Step 5: Solve for x
   x = 3,920,559.67/2,214.72
6. Step 6: Final answer
   x = 1,770.23