Finding the Fourth Proportional to 10,015.47, 15,018.63 and 5,334.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,015.47 : 15,018.63 = 5,334.27 : x
2. Step 2: Convert to fraction form
   10,015.47/15,018.63 = 5,334.27/x
3. Step 3: Cross multiply
   10,015.47x = 15,018.63 × 5,334.27
4. Step 4: Simplify right side
   10,015.47x = 80,113,427.45
5. Step 5: Solve for x
   x = 80,113,427.45/10,015.47
6. Step 6: Final answer
   x = 7,998.97