Finding the Fourth Proportional to 2,212.46, 3,317.35 and 1,042.73

Step by Step Solution

1. Step 1: Write the proportion equation
   2,212.46 : 3,317.35 = 1,042.73 : x
2. Step 2: Convert to fraction form
   2,212.46/3,317.35 = 1,042.73/x
3. Step 3: Cross multiply
   2,212.46x = 3,317.35 × 1,042.73
4. Step 4: Simplify right side
   2,212.46x = 3,459,100.37
5. Step 5: Solve for x
   x = 3,459,100.37/2,212.46
6. Step 6: Final answer
   x = 1,563.46