Finding the Fourth Proportional to 8,272.25, 12,348.82 and 7,089.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,272.25 : 12,348.82 = 7,089.50 : x
2. Step 2: Convert to fraction form
   8,272.25/12,348.82 = 7,089.50/x
3. Step 3: Cross multiply
   8,272.25x = 12,348.82 × 7,089.50
4. Step 4: Simplify right side
   8,272.25x = 87,546,959.39
5. Step 5: Solve for x
   x = 87,546,959.39/8,272.25
6. Step 6: Final answer
   x = 10,583.21