Finding the Fourth Proportional to 8,782.69, 13,172.61 and 3,234.67

Step by Step Solution

1. Step 1: Write the proportion equation
   8,782.69 : 13,172.61 = 3,234.67 : x
2. Step 2: Convert to fraction form
   8,782.69/13,172.61 = 3,234.67/x
3. Step 3: Cross multiply
   8,782.69x = 13,172.61 × 3,234.67
4. Step 4: Simplify right side
   8,782.69x = 42,609,046.39
5. Step 5: Solve for x
   x = 42,609,046.39/8,782.69
6. Step 6: Final answer
   x = 4,851.48