Finding the Fourth Proportional to 10,058.28, 15,096.72 and 5,131.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,058.28 : 15,096.72 = 5,131.56 : x
2. Step 2: Convert to fraction form
   10,058.28/15,096.72 = 5,131.56/x
3. Step 3: Cross multiply
   10,058.28x = 15,096.72 × 5,131.56
4. Step 4: Simplify right side
   10,058.28x = 77,469,724.48
5. Step 5: Solve for x
   x = 77,469,724.48/10,058.28
6. Step 6: Final answer
   x = 7,702.08