Finding the Fourth Proportional to 7,112.67, 10,662.85 and 3,821.93

Step by Step Solution

1. Step 1: Write the proportion equation
   7,112.67 : 10,662.85 = 3,821.93 : x
2. Step 2: Convert to fraction form
   7,112.67/10,662.85 = 3,821.93/x
3. Step 3: Cross multiply
   7,112.67x = 10,662.85 × 3,821.93
4. Step 4: Simplify right side
   7,112.67x = 40,752,666.30
5. Step 5: Solve for x
   x = 40,752,666.30/7,112.67
6. Step 6: Final answer
   x = 5,729.59