Finding the Fourth Proportional to 10,810.30, 14,911.50 and 8,288.32

Step by Step Solution

1. Step 1: Write the proportion equation
   10,810.30 : 14,911.50 = 8,288.32 : x
2. Step 2: Convert to fraction form
   10,810.30/14,911.50 = 8,288.32/x
3. Step 3: Cross multiply
   10,810.30x = 14,911.50 × 8,288.32
4. Step 4: Simplify right side
   10,810.30x = 123,591,283.68
5. Step 5: Solve for x
   x = 123,591,283.68/10,810.30
6. Step 6: Final answer
   x = 11,432.73