Finding the Fourth Proportional to 7,196.36, 9,932.46 and 4,213.76

Step by Step Solution

1. Step 1: Write the proportion equation
   7,196.36 : 9,932.46 = 4,213.76 : x
2. Step 2: Convert to fraction form
   7,196.36/9,932.46 = 4,213.76/x
3. Step 3: Cross multiply
   7,196.36x = 9,932.46 × 4,213.76
4. Step 4: Simplify right side
   7,196.36x = 41,853,002.65
5. Step 5: Solve for x
   x = 41,853,002.65/7,196.36
6. Step 6: Final answer
   x = 5,815.86