Finding the Fourth Proportional to 19,910.76, 27,476.25 and 10,958.27

Step by Step Solution

1. Step 1: Write the proportion equation
   19,910.76 : 27,476.25 = 10,958.27 : x
2. Step 2: Convert to fraction form
   19,910.76/27,476.25 = 10,958.27/x
3. Step 3: Cross multiply
   19,910.76x = 27,476.25 × 10,958.27
4. Step 4: Simplify right side
   19,910.76x = 301,092,028.71
5. Step 5: Solve for x
   x = 301,092,028.71/19,910.76
6. Step 6: Final answer
   x = 15,122.08