Finding the Fourth Proportional to 19,781.50, 27,298.47 and 10,949.50

Step by Step Solution

1. Step 1: Write the proportion equation
   19,781.50 : 27,298.47 = 10,949.50 : x
2. Step 2: Convert to fraction form
   19,781.50/27,298.47 = 10,949.50/x
3. Step 3: Cross multiply
   19,781.50x = 27,298.47 × 10,949.50
4. Step 4: Simplify right side
   19,781.50x = 298,904,597.27
5. Step 5: Solve for x
   x = 298,904,597.27/19,781.50
6. Step 6: Final answer
   x = 15,110.31