Finding the Fourth Proportional to 2,719.58, 4,076.93 and 1,077.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.58 : 4,076.93 = 1,077.30 : x
2. Step 2: Convert to fraction form
   2,719.58/4,076.93 = 1,077.30/x
3. Step 3: Cross multiply
   2,719.58x = 4,076.93 × 1,077.30
4. Step 4: Simplify right side
   2,719.58x = 4,392,079.38
5. Step 5: Solve for x
   x = 4,392,079.38/2,719.58
6. Step 6: Final answer
   x = 1,614.99