Finding the Fourth Proportional to 7,009.86, 9,673.15 and 3,866.05

Step by Step Solution

1. Step 1: Write the proportion equation
   7,009.86 : 9,673.15 = 3,866.05 : x
2. Step 2: Convert to fraction form
   7,009.86/9,673.15 = 3,866.05/x
3. Step 3: Cross multiply
   7,009.86x = 9,673.15 × 3,866.05
4. Step 4: Simplify right side
   7,009.86x = 37,396,881.56
5. Step 5: Solve for x
   x = 37,396,881.56/7,009.86
6. Step 6: Final answer
   x = 5,334.90