Finding the Fourth Proportional to 2,696.56, 3,721.67 and 1,577.47

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.56 : 3,721.67 = 1,577.47 : x
2. Step 2: Convert to fraction form
   2,696.56/3,721.67 = 1,577.47/x
3. Step 3: Cross multiply
   2,696.56x = 3,721.67 × 1,577.47
4. Step 4: Simplify right side
   2,696.56x = 5,870,822.77
5. Step 5: Solve for x
   x = 5,870,822.77/2,696.56
6. Step 6: Final answer
   x = 2,177.15