Finding the Fourth Proportional to 8,914.50, 12,280.55 and 7,498.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,914.50 : 12,280.55 = 7,498.22 : x
2. Step 2: Convert to fraction form
   8,914.50/12,280.55 = 7,498.22/x
3. Step 3: Cross multiply
   8,914.50x = 12,280.55 × 7,498.22
4. Step 4: Simplify right side
   8,914.50x = 92,082,166.73
5. Step 5: Solve for x
   x = 92,082,166.73/8,914.50
6. Step 6: Final answer
   x = 10,329.48