Finding the Fourth Proportional to 1,242.04, 1,714.17 and 801.22

Step by Step Solution

1. Step 1: Write the proportion equation
   1,242.04 : 1,714.17 = 801.22 : x
2. Step 2: Convert to fraction form
   1,242.04/1,714.17 = 801.22/x
3. Step 3: Cross multiply
   1,242.04x = 1,714.17 × 801.22
4. Step 4: Simplify right side
   1,242.04x = 1,373,430.83
5. Step 5: Solve for x
   x = 1,373,430.83/1,242.04
6. Step 6: Final answer
   x = 1,105.79