Finding the Fourth Proportional to 2,242.49, 3,094.59 and 1,247.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.49 : 3,094.59 = 1,247.72 : x
2. Step 2: Convert to fraction form
   2,242.49/3,094.59 = 1,247.72/x
3. Step 3: Cross multiply
   2,242.49x = 3,094.59 × 1,247.72
4. Step 4: Simplify right side
   2,242.49x = 3,861,181.83
5. Step 5: Solve for x
   x = 3,861,181.83/2,242.49
6. Step 6: Final answer
   x = 1,721.83