Finding the Fourth Proportional to 1,368.12, 1,887.96 and 844.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,368.12 : 1,887.96 = 844.08 : x
2. Step 2: Convert to fraction form
   1,368.12/1,887.96 = 844.08/x
3. Step 3: Cross multiply
   1,368.12x = 1,887.96 × 844.08
4. Step 4: Simplify right side
   1,368.12x = 1,593,589.28
5. Step 5: Solve for x
   x = 1,593,589.28/1,368.12
6. Step 6: Final answer
   x = 1,164.80