Finding the Fourth Proportional to 2,719.17, 4,075.56 and 1,158.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,719.17 : 4,075.56 = 1,158.71 : x
2. Step 2: Convert to fraction form
   2,719.17/4,075.56 = 1,158.71/x
3. Step 3: Cross multiply
   2,719.17x = 4,075.56 × 1,158.71
4. Step 4: Simplify right side
   2,719.17x = 4,722,371.75
5. Step 5: Solve for x
   x = 4,722,371.75/2,719.17
6. Step 6: Final answer
   x = 1,736.70