Finding the Fourth Proportional to 4,080.82, 6,120.42 and 1,158.34

Step by Step Solution

1. Step 1: Write the proportion equation
   4,080.82 : 6,120.42 = 1,158.34 : x
2. Step 2: Convert to fraction form
   4,080.82/6,120.42 = 1,158.34/x
3. Step 3: Cross multiply
   4,080.82x = 6,120.42 × 1,158.34
4. Step 4: Simplify right side
   4,080.82x = 7,089,527.30
5. Step 5: Solve for x
   x = 7,089,527.30/4,080.82
6. Step 6: Final answer
   x = 1,737.28