Finding the Fourth Proportional to 12,200.27, 16,835.80 and 6,894.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,200.27 : 16,835.80 = 6,894.06 : x
2. Step 2: Convert to fraction form
   12,200.27/16,835.80 = 6,894.06/x
3. Step 3: Cross multiply
   12,200.27x = 16,835.80 × 6,894.06
4. Step 4: Simplify right side
   12,200.27x = 116,067,042.61
5. Step 5: Solve for x
   x = 116,067,042.61/12,200.27
6. Step 6: Final answer
   x = 9,513.48