Finding the Fourth Proportional to 1,342.17, 1,851.37 and 844.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,342.17 : 1,851.37 = 844.40 : x
2. Step 2: Convert to fraction form
   1,342.17/1,851.37 = 844.40/x
3. Step 3: Cross multiply
   1,342.17x = 1,851.37 × 844.40
4. Step 4: Simplify right side
   1,342.17x = 1,563,296.83
5. Step 5: Solve for x
   x = 1,563,296.83/1,342.17
6. Step 6: Final answer
   x = 1,164.75