Finding the Fourth Proportional to 10,827.77, 14,942.55 and 6,112.15

Step by Step Solution

1. Step 1: Write the proportion equation
   10,827.77 : 14,942.55 = 6,112.15 : x
2. Step 2: Convert to fraction form
   10,827.77/14,942.55 = 6,112.15/x
3. Step 3: Cross multiply
   10,827.77x = 14,942.55 × 6,112.15
4. Step 4: Simplify right side
   10,827.77x = 91,331,106.98
5. Step 5: Solve for x
   x = 91,331,106.98/10,827.77
6. Step 6: Final answer
   x = 8,434.90