Finding the Fourth Proportional to 7,196.72, 9,930.15 and 4,009.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,196.72 : 9,930.15 = 4,009.93 : x
2. Step 2: Convert to fraction form
   7,196.72/9,930.15 = 4,009.93/x
3. Step 3: Cross multiply
   7,196.72x = 9,930.15 × 4,009.93
4. Step 4: Simplify right side
   7,196.72x = 39,819,206.39
5. Step 5: Solve for x
   x = 39,819,206.39/7,196.72
6. Step 6: Final answer
   x = 5,532.97