Finding the Fourth Proportional to 2,740.17, 4,111.82 and 1,158.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,740.17 : 4,111.82 = 1,158.77 : x
2. Step 2: Convert to fraction form
   2,740.17/4,111.82 = 1,158.77/x
3. Step 3: Cross multiply
   2,740.17x = 4,111.82 × 1,158.77
4. Step 4: Simplify right side
   2,740.17x = 4,764,636.00
5. Step 5: Solve for x
   x = 4,764,636.00/2,740.17
6. Step 6: Final answer
   x = 1,738.81