Finding the Fourth Proportional to 9,783.69, 13,503.22 and 5,807

Step by Step Solution

1. Step 1: Write the proportion equation
   9,783.69 : 13,503.22 = 5,807 : x
2. Step 2: Convert to fraction form
   9,783.69/13,503.22 = 5,807/x
3. Step 3: Cross multiply
   9,783.69x = 13,503.22 × 5,807
4. Step 4: Simplify right side
   9,783.69x = 78,413,198.54
5. Step 5: Solve for x
   x = 78,413,198.54/9,783.69
6. Step 6: Final answer
   x = 8,014.69