Finding the Fourth Proportional to 2,104.82, 3,153.20 and 1,177.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,104.82 : 3,153.20 = 1,177.57 : x
2. Step 2: Convert to fraction form
   2,104.82/3,153.20 = 1,177.57/x
3. Step 3: Cross multiply
   2,104.82x = 3,153.20 × 1,177.57
4. Step 4: Simplify right side
   2,104.82x = 3,713,111.78
5. Step 5: Solve for x
   x = 3,713,111.78/2,104.82
6. Step 6: Final answer
   x = 1,764.10