Finding the Fourth Proportional to 7,009.41, 9,672.73 and 3,865.57

Step by Step Solution

1. Step 1: Write the proportion equation
   7,009.41 : 9,672.73 = 3,865.57 : x
2. Step 2: Convert to fraction form
   7,009.41/9,672.73 = 3,865.57/x
3. Step 3: Cross multiply
   7,009.41x = 9,672.73 × 3,865.57
4. Step 4: Simplify right side
   7,009.41x = 37,390,614.91
5. Step 5: Solve for x
   x = 37,390,614.91/7,009.41
6. Step 6: Final answer
   x = 5,334.35