Finding the Fourth Proportional to 8,105.99, 11,185.59 and 4,570.07

Step by Step Solution

1. Step 1: Write the proportion equation
   8,105.99 : 11,185.59 = 4,570.07 : x
2. Step 2: Convert to fraction form
   8,105.99/11,185.59 = 4,570.07/x
3. Step 3: Cross multiply
   8,105.99x = 11,185.59 × 4,570.07
4. Step 4: Simplify right side
   8,105.99x = 51,118,850.51
5. Step 5: Solve for x
   x = 51,118,850.51/8,105.99
6. Step 6: Final answer
   x = 6,306.31