Finding the Fourth Proportional to 1,665.44, 2,500.46 and 844.28

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.44 : 2,500.46 = 844.28 : x
2. Step 2: Convert to fraction form
   1,665.44/2,500.46 = 844.28/x
3. Step 3: Cross multiply
   1,665.44x = 2,500.46 × 844.28
4. Step 4: Simplify right side
   1,665.44x = 2,111,090.40
5. Step 5: Solve for x
   x = 2,111,090.40/1,665.44
6. Step 6: Final answer
   x = 1,267.59