Finding the Fourth Proportional to 2,696.59, 3,721.79 and 1,577.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.59 : 3,721.79 = 1,577.46 : x
2. Step 2: Convert to fraction form
   2,696.59/3,721.79 = 1,577.46/x
3. Step 3: Cross multiply
   2,696.59x = 3,721.79 × 1,577.46
4. Step 4: Simplify right side
   2,696.59x = 5,870,974.85
5. Step 5: Solve for x
   x = 5,870,974.85/2,696.59
6. Step 6: Final answer
   x = 2,177.18