Finding the Fourth Proportional to 19,926.97, 27,498.11 and 10,972.72

Step by Step Solution

1. Step 1: Write the proportion equation
   19,926.97 : 27,498.11 = 10,972.72 : x
2. Step 2: Convert to fraction form
   19,926.97/27,498.11 = 10,972.72/x
3. Step 3: Cross multiply
   19,926.97x = 27,498.11 × 10,972.72
4. Step 4: Simplify right side
   19,926.97x = 301,729,061.56
5. Step 5: Solve for x
   x = 301,729,061.56/19,926.97
6. Step 6: Final answer
   x = 15,141.74