Finding the Fourth Proportional to 4,665.15, 6,963.59 and 4,111.58

Step by Step Solution

1. Step 1: Write the proportion equation
   4,665.15 : 6,963.59 = 4,111.58 : x
2. Step 2: Convert to fraction form
   4,665.15/6,963.59 = 4,111.58/x
3. Step 3: Cross multiply
   4,665.15x = 6,963.59 × 4,111.58
4. Step 4: Simplify right side
   4,665.15x = 28,631,357.37
5. Step 5: Solve for x
   x = 28,631,357.37/4,665.15
6. Step 6: Final answer
   x = 6,137.29