Finding the Fourth Proportional to 10,665.30, 16,010.10 and 6,285.23

Step by Step Solution

1. Step 1: Write the proportion equation
   10,665.30 : 16,010.10 = 6,285.23 : x
2. Step 2: Convert to fraction form
   10,665.30/16,010.10 = 6,285.23/x
3. Step 3: Cross multiply
   10,665.30x = 16,010.10 × 6,285.23
4. Step 4: Simplify right side
   10,665.30x = 100,627,080.77
5. Step 5: Solve for x
   x = 100,627,080.77/10,665.30
6. Step 6: Final answer
   x = 9,435.00