Finding the Fourth Proportional to 8,840.26, 12,194.49 and 5,522.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,840.26 : 12,194.49 = 5,522.50 : x
2. Step 2: Convert to fraction form
   8,840.26/12,194.49 = 5,522.50/x
3. Step 3: Cross multiply
   8,840.26x = 12,194.49 × 5,522.50
4. Step 4: Simplify right side
   8,840.26x = 67,344,071.03
5. Step 5: Solve for x
   x = 67,344,071.03/8,840.26
6. Step 6: Final answer
   x = 7,617.88