Finding the Fourth Proportional to 10,108.18, 15,171.90 and 7,299.82

Step by Step Solution

1. Step 1: Write the proportion equation
   10,108.18 : 15,171.90 = 7,299.82 : x
2. Step 2: Convert to fraction form
   10,108.18/15,171.90 = 7,299.82/x
3. Step 3: Cross multiply
   10,108.18x = 15,171.90 × 7,299.82
4. Step 4: Simplify right side
   10,108.18x = 110,752,139.06
5. Step 5: Solve for x
   x = 110,752,139.06/10,108.18
6. Step 6: Final answer
   x = 10,956.68