Finding the Fourth Proportional to 11,255.69, 16,887.15 and 3,860.19

Step by Step Solution

1. Step 1: Write the proportion equation
   11,255.69 : 16,887.15 = 3,860.19 : x
2. Step 2: Convert to fraction form
   11,255.69/16,887.15 = 3,860.19/x
3. Step 3: Cross multiply
   11,255.69x = 16,887.15 × 3,860.19
4. Step 4: Simplify right side
   11,255.69x = 65,187,607.56
5. Step 5: Solve for x
   x = 65,187,607.56/11,255.69
6. Step 6: Final answer
   x = 5,791.52