Finding the Fourth Proportional to 1,773.84, 2,658.00 and 677.61

Step by Step Solution

1. Step 1: Write the proportion equation
   1,773.84 : 2,658.00 = 677.61 : x
2. Step 2: Convert to fraction form
   1,773.84/2,658.00 = 677.61/x
3. Step 3: Cross multiply
   1,773.84x = 2,658.00 × 677.61
4. Step 4: Simplify right side
   1,773.84x = 1,801,074.87
5. Step 5: Solve for x
   x = 1,801,074.87/1,773.84
6. Step 6: Final answer
   x = 1,015.35