Finding the Fourth Proportional to 5,103.30, 7,042.62 and 3,007.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,103.30 : 7,042.62 = 3,007.42 : x
2. Step 2: Convert to fraction form
   5,103.30/7,042.62 = 3,007.42/x
3. Step 3: Cross multiply
   5,103.30x = 7,042.62 × 3,007.42
4. Step 4: Simplify right side
   5,103.30x = 21,180,116.24
5. Step 5: Solve for x
   x = 21,180,116.24/5,103.30
6. Step 6: Final answer
   x = 4,150.28