Finding the Fourth Proportional to 10,800.54, 14,895.93 and 9,069.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,800.54 : 14,895.93 = 9,069.15 : x
2. Step 2: Convert to fraction form
   10,800.54/14,895.93 = 9,069.15/x
3. Step 3: Cross multiply
   10,800.54x = 14,895.93 × 9,069.15
4. Step 4: Simplify right side
   10,800.54x = 135,093,423.56
5. Step 5: Solve for x
   x = 135,093,423.56/10,800.54
6. Step 6: Final answer
   x = 12,508.02