Finding the Fourth Proportional to 19,951.52, 27,531.83 and 10,998.53

Step by Step Solution

1. Step 1: Write the proportion equation
   19,951.52 : 27,531.83 = 10,998.53 : x
2. Step 2: Convert to fraction form
   19,951.52/27,531.83 = 10,998.53/x
3. Step 3: Cross multiply
   19,951.52x = 27,531.83 × 10,998.53
4. Step 4: Simplify right side
   19,951.52x = 302,809,465.56
5. Step 5: Solve for x
   x = 302,809,465.56/19,951.52
6. Step 6: Final answer
   x = 15,177.27