Finding the Fourth Proportional to 2,242.84, 3,363.72 and 1,072.12

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.84 : 3,363.72 = 1,072.12 : x
2. Step 2: Convert to fraction form
   2,242.84/3,363.72 = 1,072.12/x
3. Step 3: Cross multiply
   2,242.84x = 3,363.72 × 1,072.12
4. Step 4: Simplify right side
   2,242.84x = 3,606,311.49
5. Step 5: Solve for x
   x = 3,606,311.49/2,242.84
6. Step 6: Final answer
   x = 1,607.92