Finding the Fourth Proportional to 5,030.42, 6,942.01 and 3,143.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,030.42 : 6,942.01 = 3,143.10 : x
2. Step 2: Convert to fraction form
   5,030.42/6,942.01 = 3,143.10/x
3. Step 3: Cross multiply
   5,030.42x = 6,942.01 × 3,143.10
4. Step 4: Simplify right side
   5,030.42x = 21,819,404.03
5. Step 5: Solve for x
   x = 21,819,404.03/5,030.42
6. Step 6: Final answer
   x = 4,337.49