Finding the Fourth Proportional to 1,174.89, 1,621.50 and 677.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,174.89 : 1,621.50 = 677.52 : x
2. Step 2: Convert to fraction form
   1,174.89/1,621.50 = 677.52/x
3. Step 3: Cross multiply
   1,174.89x = 1,621.50 × 677.52
4. Step 4: Simplify right side
   1,174.89x = 1,098,590.57
5. Step 5: Solve for x
   x = 1,098,590.57/1,174.89
6. Step 6: Final answer
   x = 935.06