Finding the Fourth Proportional to 8,805.30, 12,151.68 and 5,267.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,805.30 : 12,151.68 = 5,267.82 : x
2. Step 2: Convert to fraction form
   8,805.30/12,151.68 = 5,267.82/x
3. Step 3: Cross multiply
   8,805.30x = 12,151.68 × 5,267.82
4. Step 4: Simplify right side
   8,805.30x = 64,012,862.94
5. Step 5: Solve for x
   x = 64,012,862.94/8,805.30
6. Step 6: Final answer
   x = 7,269.81