Finding the Fourth Proportional to 2,696.43, 3,719.80 and 1,577.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,696.43 : 3,719.80 = 1,577.41 : x
2. Step 2: Convert to fraction form
   2,696.43/3,719.80 = 1,577.41/x
3. Step 3: Cross multiply
   2,696.43x = 3,719.80 × 1,577.41
4. Step 4: Simplify right side
   2,696.43x = 5,867,649.72
5. Step 5: Solve for x
   x = 5,867,649.72/2,696.43
6. Step 6: Final answer
   x = 2,176.08