Finding the Fourth Proportional to 13,020.22, 19,537.62 and 5,234.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,020.22 : 19,537.62 = 5,234.50 : x
2. Step 2: Convert to fraction form
   13,020.22/19,537.62 = 5,234.50/x
3. Step 3: Cross multiply
   13,020.22x = 19,537.62 × 5,234.50
4. Step 4: Simplify right side
   13,020.22x = 102,269,671.89
5. Step 5: Solve for x
   x = 102,269,671.89/13,020.22
6. Step 6: Final answer
   x = 7,854.68