Finding the Fourth Proportional to 19,934.47, 27,509.56 and 10,981.98

Step by Step Solution

1. Step 1: Write the proportion equation
   19,934.47 : 27,509.56 = 10,981.98 : x
2. Step 2: Convert to fraction form
   19,934.47/27,509.56 = 10,981.98/x
3. Step 3: Cross multiply
   19,934.47x = 27,509.56 × 10,981.98
4. Step 4: Simplify right side
   19,934.47x = 302,109,410.27
5. Step 5: Solve for x
   x = 302,109,410.27/19,934.47
6. Step 6: Final answer
   x = 15,155.13