Finding the Fourth Proportional to 7,078.27, 10,613.34 and 2,921.14

Step by Step Solution

1. Step 1: Write the proportion equation
   7,078.27 : 10,613.34 = 2,921.14 : x
2. Step 2: Convert to fraction form
   7,078.27/10,613.34 = 2,921.14/x
3. Step 3: Cross multiply
   7,078.27x = 10,613.34 × 2,921.14
4. Step 4: Simplify right side
   7,078.27x = 31,003,052.01
5. Step 5: Solve for x
   x = 31,003,052.01/7,078.27
6. Step 6: Final answer
   x = 4,380.03