Finding the Fourth Proportional to 8,805.69, 12,151.83 and 5,268.90

Step by Step Solution

1. Step 1: Write the proportion equation
   8,805.69 : 12,151.83 = 5,268.90 : x
2. Step 2: Convert to fraction form
   8,805.69/12,151.83 = 5,268.90/x
3. Step 3: Cross multiply
   8,805.69x = 12,151.83 × 5,268.90
4. Step 4: Simplify right side
   8,805.69x = 64,026,777.09
5. Step 5: Solve for x
   x = 64,026,777.09/8,805.69
6. Step 6: Final answer
   x = 7,271.07