Finding the Fourth Proportional to 10,545.69, 14,563.95 and 9,122.55

Step by Step Solution

1. Step 1: Write the proportion equation
   10,545.69 : 14,563.95 = 9,122.55 : x
2. Step 2: Convert to fraction form
   10,545.69/14,563.95 = 9,122.55/x
3. Step 3: Cross multiply
   10,545.69x = 14,563.95 × 9,122.55
4. Step 4: Simplify right side
   10,545.69x = 132,860,362.07
5. Step 5: Solve for x
   x = 132,860,362.07/10,545.69
6. Step 6: Final answer
   x = 12,598.55