Finding the Fourth Proportional to 6,680.91, 9,219.33 and 3,696.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,680.91 : 9,219.33 = 3,696.69 : x
2. Step 2: Convert to fraction form
   6,680.91/9,219.33 = 3,696.69/x
3. Step 3: Cross multiply
   6,680.91x = 9,219.33 × 3,696.69
4. Step 4: Simplify right side
   6,680.91x = 34,081,005.02
5. Step 5: Solve for x
   x = 34,081,005.02/6,680.91
6. Step 6: Final answer
   x = 5,101.25