Finding the Fourth Proportional to 2,191.06, 3,024.02 and 1,247.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,191.06 : 3,024.02 = 1,247.27 : x
2. Step 2: Convert to fraction form
   2,191.06/3,024.02 = 1,247.27/x
3. Step 3: Cross multiply
   2,191.06x = 3,024.02 × 1,247.27
4. Step 4: Simplify right side
   2,191.06x = 3,771,769.43
5. Step 5: Solve for x
   x = 3,771,769.43/2,191.06
6. Step 6: Final answer
   x = 1,721.44