Finding the Fourth Proportional to 13,877.50, 19,150.59 and 8,212.54

Step by Step Solution

1. Step 1: Write the proportion equation
   13,877.50 : 19,150.59 = 8,212.54 : x
2. Step 2: Convert to fraction form
   13,877.50/19,150.59 = 8,212.54/x
3. Step 3: Cross multiply
   13,877.50x = 19,150.59 × 8,212.54
4. Step 4: Simplify right side
   13,877.50x = 157,274,986.40
5. Step 5: Solve for x
   x = 157,274,986.40/13,877.50
6. Step 6: Final answer
   x = 11,333.09