Finding the Fourth Proportional to 2,242.66, 3,094.69 and 1,247.91

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.66 : 3,094.69 = 1,247.91 : x
2. Step 2: Convert to fraction form
   2,242.66/3,094.69 = 1,247.91/x
3. Step 3: Cross multiply
   2,242.66x = 3,094.69 × 1,247.91
4. Step 4: Simplify right side
   2,242.66x = 3,861,894.60
5. Step 5: Solve for x
   x = 3,861,894.60/2,242.66
6. Step 6: Final answer
   x = 1,722.02