Finding the Fourth Proportional to 1,119.83, 1,545.50 and 677.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,119.83 : 1,545.50 = 677.72 : x
2. Step 2: Convert to fraction form
   1,119.83/1,545.50 = 677.72/x
3. Step 3: Cross multiply
   1,119.83x = 1,545.50 × 677.72
4. Step 4: Simplify right side
   1,119.83x = 1,047,409.31
5. Step 5: Solve for x
   x = 1,047,409.31/1,119.83
6. Step 6: Final answer
   x = 935.33