Finding the Fourth Proportional to 4,958.42, 7,439.33 and 3,107.30

Step by Step Solution

1. Step 1: Write the proportion equation
   4,958.42 : 7,439.33 = 3,107.30 : x
2. Step 2: Convert to fraction form
   4,958.42/7,439.33 = 3,107.30/x
3. Step 3: Cross multiply
   4,958.42x = 7,439.33 × 3,107.30
4. Step 4: Simplify right side
   4,958.42x = 23,116,233.17
5. Step 5: Solve for x
   x = 23,116,233.17/4,958.42
6. Step 6: Final answer
   x = 4,662.01