Finding the Fourth Proportional to 1,174.71, 1,621.37 and 677.44

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.71 : 1,621.37 = 677.44 : x
2. Step 2: Convert to fraction form
   1,174.71/1,621.37 = 677.44/x
3. Step 3: Cross multiply
   1,174.71x = 1,621.37 × 677.44
4. Step 4: Simplify right side
   1,174.71x = 1,098,380.89
5. Step 5: Solve for x
   x = 1,098,380.89/1,174.71
6. Step 6: Final answer
   x = 935.02