Finding the Fourth Proportional to 10,718.80, 16,074.79 and 10,019.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,718.80 : 16,074.79 = 10,019.14 : x
2. Step 2: Convert to fraction form
   10,718.80/16,074.79 = 10,019.14/x
3. Step 3: Cross multiply
   10,718.80x = 16,074.79 × 10,019.14
4. Step 4: Simplify right side
   10,718.80x = 161,055,571.48
5. Step 5: Solve for x
   x = 161,055,571.48/10,718.80
6. Step 6: Final answer
   x = 15,025.52