Finding the Fourth Proportional to 11,858.08, 16,366.06 and 7,078.27

Step by Step Solution

1. Step 1: Write the proportion equation
   11,858.08 : 16,366.06 = 7,078.27 : x
2. Step 2: Convert to fraction form
   11,858.08/16,366.06 = 7,078.27/x
3. Step 3: Cross multiply
   11,858.08x = 16,366.06 × 7,078.27
4. Step 4: Simplify right side
   11,858.08x = 115,843,391.52
5. Step 5: Solve for x
   x = 115,843,391.52/11,858.08
6. Step 6: Final answer
   x = 9,769.15