Finding the Fourth Proportional to 10,131.28, 15,201.72 and 7,016.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,131.28 : 15,201.72 = 7,016.08 : x
2. Step 2: Convert to fraction form
   10,131.28/15,201.72 = 7,016.08/x
3. Step 3: Cross multiply
   10,131.28x = 15,201.72 × 7,016.08
4. Step 4: Simplify right side
   10,131.28x = 106,656,483.66
5. Step 5: Solve for x
   x = 106,656,483.66/10,131.28
6. Step 6: Final answer
   x = 10,527.44