Finding the Fourth Proportional to 8,805.75, 12,151.31 and 5,029.12

Step by Step Solution

1. Step 1: Write the proportion equation
   8,805.75 : 12,151.31 = 5,029.12 : x
2. Step 2: Convert to fraction form
   8,805.75/12,151.31 = 5,029.12/x
3. Step 3: Cross multiply
   8,805.75x = 12,151.31 × 5,029.12
4. Step 4: Simplify right side
   8,805.75x = 61,110,396.15
5. Step 5: Solve for x
   x = 61,110,396.15/8,805.75
6. Step 6: Final answer
   x = 6,939.83