Finding the Fourth Proportional to 2,242.84, 3,362.10 and 1,147.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.84 : 3,362.10 = 1,147.72 : x
2. Step 2: Convert to fraction form
   2,242.84/3,362.10 = 1,147.72/x
3. Step 3: Cross multiply
   2,242.84x = 3,362.10 × 1,147.72
4. Step 4: Simplify right side
   2,242.84x = 3,858,749.41
5. Step 5: Solve for x
   x = 3,858,749.41/2,242.84
6. Step 6: Final answer
   x = 1,720.47