Finding the Fourth Proportional to 10,802.50, 14,903.82 and 8,809.60

Step by Step Solution

1. Step 1: Write the proportion equation
   10,802.50 : 14,903.82 = 8,809.60 : x
2. Step 2: Convert to fraction form
   10,802.50/14,903.82 = 8,809.60/x
3. Step 3: Cross multiply
   10,802.50x = 14,903.82 × 8,809.60
4. Step 4: Simplify right side
   10,802.50x = 131,296,692.67
5. Step 5: Solve for x
   x = 131,296,692.67/10,802.50
6. Step 6: Final answer
   x = 12,154.29