Finding the Fourth Proportional to 7,080.70, 10,621.23 and 3,958.96

Step by Step Solution

1. Step 1: Write the proportion equation
   7,080.70 : 10,621.23 = 3,958.96 : x
2. Step 2: Convert to fraction form
   7,080.70/10,621.23 = 3,958.96/x
3. Step 3: Cross multiply
   7,080.70x = 10,621.23 × 3,958.96
4. Step 4: Simplify right side
   7,080.70x = 42,049,024.72
5. Step 5: Solve for x
   x = 42,049,024.72/7,080.70
6. Step 6: Final answer
   x = 5,938.54