Finding the Fourth Proportional to 10,112.72, 15,171.17 and 3,092.31

Step by Step Solution

1. Step 1: Write the proportion equation
   10,112.72 : 15,171.17 = 3,092.31 : x
2. Step 2: Convert to fraction form
   10,112.72/15,171.17 = 3,092.31/x
3. Step 3: Cross multiply
   10,112.72x = 15,171.17 × 3,092.31
4. Step 4: Simplify right side
   10,112.72x = 46,913,945.24
5. Step 5: Solve for x
   x = 46,913,945.24/10,112.72
6. Step 6: Final answer
   x = 4,639.10