Finding the Fourth Proportional to 10,809.29, 16,200.99 and 7,062.86

Step by Step Solution

1. Step 1: Write the proportion equation
   10,809.29 : 16,200.99 = 7,062.86 : x
2. Step 2: Convert to fraction form
   10,809.29/16,200.99 = 7,062.86/x
3. Step 3: Cross multiply
   10,809.29x = 16,200.99 × 7,062.86
4. Step 4: Simplify right side
   10,809.29x = 114,425,243.23
5. Step 5: Solve for x
   x = 114,425,243.23/10,809.29
6. Step 6: Final answer
   x = 10,585.83