Finding the Fourth Proportional to 9,800.16, 13,494.72 and 8,862.38

Step by Step Solution

1. Step 1: Write the proportion equation
   9,800.16 : 13,494.72 = 8,862.38 : x
2. Step 2: Convert to fraction form
   9,800.16/13,494.72 = 8,862.38/x
3. Step 3: Cross multiply
   9,800.16x = 13,494.72 × 8,862.38
4. Step 4: Simplify right side
   9,800.16x = 119,595,336.63
5. Step 5: Solve for x
   x = 119,595,336.63/9,800.16
6. Step 6: Final answer
   x = 12,203.41