Finding the Fourth Proportional to 2,242.03, 3,093.78 and 1,247.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,242.03 : 3,093.78 = 1,247.05 : x
2. Step 2: Convert to fraction form
   2,242.03/3,093.78 = 1,247.05/x
3. Step 3: Cross multiply
   2,242.03x = 3,093.78 × 1,247.05
4. Step 4: Simplify right side
   2,242.03x = 3,858,098.35
5. Step 5: Solve for x
   x = 3,858,098.35/2,242.03
6. Step 6: Final answer
   x = 1,720.81