Finding the Fourth Proportional to 7,109.23, 9,810.69 and 3,922.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,109.23 : 9,810.69 = 3,922.69 : x
2. Step 2: Convert to fraction form
   7,109.23/9,810.69 = 3,922.69/x
3. Step 3: Cross multiply
   7,109.23x = 9,810.69 × 3,922.69
4. Step 4: Simplify right side
   7,109.23x = 38,484,295.56
5. Step 5: Solve for x
   x = 38,484,295.56/7,109.23
6. Step 6: Final answer
   x = 5,413.29