Finding the Fourth Proportional to 9,200.14, 12,696.59 and 5,221.62

Step by Step Solution

1. Step 1: Write the proportion equation
   9,200.14 : 12,696.59 = 5,221.62 : x
2. Step 2: Convert to fraction form
   9,200.14/12,696.59 = 5,221.62/x
3. Step 3: Cross multiply
   9,200.14x = 12,696.59 × 5,221.62
4. Step 4: Simplify right side
   9,200.14x = 66,296,780.32
5. Step 5: Solve for x
   x = 66,296,780.32/9,200.14
6. Step 6: Final answer
   x = 7,206.06