Finding the Fourth Proportional to 7,114.46, 9,818.89 and 5,131.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,114.46 : 9,818.89 = 5,131.58 : x
2. Step 2: Convert to fraction form
   7,114.46/9,818.89 = 5,131.58/x
3. Step 3: Cross multiply
   7,114.46x = 9,818.89 × 5,131.58
4. Step 4: Simplify right side
   7,114.46x = 50,386,357.62
5. Step 5: Solve for x
   x = 50,386,357.62/7,114.46
6. Step 6: Final answer
   x = 7,082.25