Finding the Fourth Proportional to 2,061.97, 2,845.55 and 1,177.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.97 : 2,845.55 = 1,177.77 : x
2. Step 2: Convert to fraction form
   2,061.97/2,845.55 = 1,177.77/x
3. Step 3: Cross multiply
   2,061.97x = 2,845.55 × 1,177.77
4. Step 4: Simplify right side
   2,061.97x = 3,351,410.41
5. Step 5: Solve for x
   x = 3,351,410.41/2,061.97
6. Step 6: Final answer
   x = 1,625.34