Finding the Fourth Proportional to 1,665.39, 2,499.62 and 844.26

Step by Step Solution

1. Step 1: Write the proportion equation
   1,665.39 : 2,499.62 = 844.26 : x
2. Step 2: Convert to fraction form
   1,665.39/2,499.62 = 844.26/x
3. Step 3: Cross multiply
   1,665.39x = 2,499.62 × 844.26
4. Step 4: Simplify right side
   1,665.39x = 2,110,329.18
5. Step 5: Solve for x
   x = 2,110,329.18/1,665.39
6. Step 6: Final answer
   x = 1,267.17