Finding the Fourth Proportional to 13,234.86, 19,826.88 and 8,222.37

Step by Step Solution

1. Step 1: Write the proportion equation
   13,234.86 : 19,826.88 = 8,222.37 : x
2. Step 2: Convert to fraction form
   13,234.86/19,826.88 = 8,222.37/x
3. Step 3: Cross multiply
   13,234.86x = 19,826.88 × 8,222.37
4. Step 4: Simplify right side
   13,234.86x = 163,023,943.31
5. Step 5: Solve for x
   x = 163,023,943.31/13,234.86
6. Step 6: Final answer
   x = 12,317.77