Finding the Fourth Proportional to 10,873.73, 15,003.69 and 10,320.10

Step by Step Solution

1. Step 1: Write the proportion equation
   10,873.73 : 15,003.69 = 10,320.10 : x
2. Step 2: Convert to fraction form
   10,873.73/15,003.69 = 10,320.10/x
3. Step 3: Cross multiply
   10,873.73x = 15,003.69 × 10,320.10
4. Step 4: Simplify right side
   10,873.73x = 154,839,581.17
5. Step 5: Solve for x
   x = 154,839,581.17/10,873.73
6. Step 6: Final answer
   x = 14,239.79