Finding the Fourth Proportional to 2,242.55, 3,094.78 and 1,247.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.55 : 3,094.78 = 1,247.81 : x
2. Step 2: Convert to fraction form
   2,242.55/3,094.78 = 1,247.81/x
3. Step 3: Cross multiply
   2,242.55x = 3,094.78 × 1,247.81
4. Step 4: Simplify right side
   2,242.55x = 3,861,697.43
5. Step 5: Solve for x
   x = 3,861,697.43/2,242.55
6. Step 6: Final answer
   x = 1,722.01