Finding the Fourth Proportional to 1,626.03, 2,243.79 and 917.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,626.03 : 2,243.79 = 917.82 : x
2. Step 2: Convert to fraction form
   1,626.03/2,243.79 = 917.82/x
3. Step 3: Cross multiply
   1,626.03x = 2,243.79 × 917.82
4. Step 4: Simplify right side
   1,626.03x = 2,059,395.34
5. Step 5: Solve for x
   x = 2,059,395.34/1,626.03
6. Step 6: Final answer
   x = 1,266.52