Finding the Fourth Proportional to 10,798.67, 16,196.23 and 7,669.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,798.67 : 16,196.23 = 7,669.20 : x
2. Step 2: Convert to fraction form
   10,798.67/16,196.23 = 7,669.20/x
3. Step 3: Cross multiply
   10,798.67x = 16,196.23 × 7,669.20
4. Step 4: Simplify right side
   10,798.67x = 124,212,127.12
5. Step 5: Solve for x
   x = 124,212,127.12/10,798.67
6. Step 6: Final answer
   x = 11,502.54