Finding the Fourth Proportional to 10,283.31, 15,337.23 and 10,105.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,283.31 : 15,337.23 = 10,105.62 : x
2. Step 2: Convert to fraction form
   10,283.31/15,337.23 = 10,105.62/x
3. Step 3: Cross multiply
   10,283.31x = 15,337.23 × 10,105.62
4. Step 4: Simplify right side
   10,283.31x = 154,992,218.23
5. Step 5: Solve for x
   x = 154,992,218.23/10,283.31
6. Step 6: Final answer
   x = 15,072.21