Finding the Fourth Proportional to 7,078.59, 10,613.23 and 3,958.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.59 : 10,613.23 = 3,958.93 : x
2. Step 2: Convert to fraction form
   7,078.59/10,613.23 = 3,958.93/x
3. Step 3: Cross multiply
   7,078.59x = 10,613.23 × 3,958.93
4. Step 4: Simplify right side
   7,078.59x = 42,016,978.31
5. Step 5: Solve for x
   x = 42,016,978.31/7,078.59
6. Step 6: Final answer
   x = 5,935.78