Finding the Fourth Proportional to 6,078.82, 9,123.06 and 3,157.96

Step by Step Solution

1. Step 1: Write the proportion equation
   6,078.82 : 9,123.06 = 3,157.96 : x
2. Step 2: Convert to fraction form
   6,078.82/9,123.06 = 3,157.96/x
3. Step 3: Cross multiply
   6,078.82x = 9,123.06 × 3,157.96
4. Step 4: Simplify right side
   6,078.82x = 28,810,258.56
5. Step 5: Solve for x
   x = 28,810,258.56/6,078.82
6. Step 6: Final answer
   x = 4,739.45