Finding the Fourth Proportional to 14,300.13, 21,426.48 and 10,119.42

Step by Step Solution

1. Step 1: Write the proportion equation
   14,300.13 : 21,426.48 = 10,119.42 : x
2. Step 2: Convert to fraction form
   14,300.13/21,426.48 = 10,119.42/x
3. Step 3: Cross multiply
   14,300.13x = 21,426.48 × 10,119.42
4. Step 4: Simplify right side
   14,300.13x = 216,823,550.24
5. Step 5: Solve for x
   x = 216,823,550.24/14,300.13
6. Step 6: Final answer
   x = 15,162.35