Finding the Fourth Proportional to 1,949.50, 2,925.40 and 717.77

Step by Step Solution

1. Step 1: Write the proportion equation
   1,949.50 : 2,925.40 = 717.77 : x
2. Step 2: Convert to fraction form
   1,949.50/2,925.40 = 717.77/x
3. Step 3: Cross multiply
   1,949.50x = 2,925.40 × 717.77
4. Step 4: Simplify right side
   1,949.50x = 2,099,760.77
5. Step 5: Solve for x
   x = 2,099,760.77/1,949.50
6. Step 6: Final answer
   x = 1,077.08