Finding the Fourth Proportional to 13,182.78, 18,196.47 and 8,710.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,182.78 : 18,196.47 = 8,710.50 : x
2. Step 2: Convert to fraction form
   13,182.78/18,196.47 = 8,710.50/x
3. Step 3: Cross multiply
   13,182.78x = 18,196.47 × 8,710.50
4. Step 4: Simplify right side
   13,182.78x = 158,500,351.94
5. Step 5: Solve for x
   x = 158,500,351.94/13,182.78
6. Step 6: Final answer
   x = 12,023.29