Finding the Fourth Proportional to 7,109.48, 9,810.63 and 3,922.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,109.48 : 9,810.63 = 3,922.82 : x
2. Step 2: Convert to fraction form
   7,109.48/9,810.63 = 3,922.82/x
3. Step 3: Cross multiply
   7,109.48x = 9,810.63 × 3,922.82
4. Step 4: Simplify right side
   7,109.48x = 38,485,286.52
5. Step 5: Solve for x
   x = 38,485,286.52/7,109.48
6. Step 6: Final answer
   x = 5,413.24