Finding the Fourth Proportional to 5,105.30, 7,045.38 and 3,009.42

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.30 : 7,045.38 = 3,009.42 : x
2. Step 2: Convert to fraction form
   5,105.30/7,045.38 = 3,009.42/x
3. Step 3: Cross multiply
   5,105.30x = 7,045.38 × 3,009.42
4. Step 4: Simplify right side
   5,105.30x = 21,202,507.48
5. Step 5: Solve for x
   x = 21,202,507.48/5,105.30
6. Step 6: Final answer
   x = 4,153.04