Finding the Fourth Proportional to 15,019.10, 22,481.42 and 10,311.56

Step by Step Solution

1. Step 1: Write the proportion equation
   15,019.10 : 22,481.42 = 10,311.56 : x
2. Step 2: Convert to fraction form
   15,019.10/22,481.42 = 10,311.56/x
3. Step 3: Cross multiply
   15,019.10x = 22,481.42 × 10,311.56
4. Step 4: Simplify right side
   15,019.10x = 231,818,347.25
5. Step 5: Solve for x
   x = 231,818,347.25/15,019.10
6. Step 6: Final answer
   x = 15,434.91