Finding the Fourth Proportional to 10,993.98, 15,171.86 and 6,278.27

Step by Step Solution

1. Step 1: Write the proportion equation
   10,993.98 : 15,171.86 = 6,278.27 : x
2. Step 2: Convert to fraction form
   10,993.98/15,171.86 = 6,278.27/x
3. Step 3: Cross multiply
   10,993.98x = 15,171.86 × 6,278.27
4. Step 4: Simplify right side
   10,993.98x = 95,252,973.32
5. Step 5: Solve for x
   x = 95,252,973.32/10,993.98
6. Step 6: Final answer
   x = 8,664.10