Finding the Fourth Proportional to 8,897.50, 12,284.22 and 5,545.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,897.50 : 12,284.22 = 5,545.22 : x
2. Step 2: Convert to fraction form
   8,897.50/12,284.22 = 5,545.22/x
3. Step 3: Cross multiply
   8,897.50x = 12,284.22 × 5,545.22
4. Step 4: Simplify right side
   8,897.50x = 68,118,702.43
5. Step 5: Solve for x
   x = 68,118,702.43/8,897.50
6. Step 6: Final answer
   x = 7,655.94