Finding the Fourth Proportional to 7,196.91, 9,934.23 and 4,213.71

Step by Step Solution

1. Step 1: Write the proportion equation
   7,196.91 : 9,934.23 = 4,213.71 : x
2. Step 2: Convert to fraction form
   7,196.91/9,934.23 = 4,213.71/x
3. Step 3: Cross multiply
   7,196.91x = 9,934.23 × 4,213.71
4. Step 4: Simplify right side
   7,196.91x = 41,859,964.29
5. Step 5: Solve for x
   x = 41,859,964.29/7,196.91
6. Step 6: Final answer
   x = 5,816.38