Finding the Fourth Proportional to 7,009.34, 9,672.89 and 3,865.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,009.34 : 9,672.89 = 3,865.52 : x
2. Step 2: Convert to fraction form
   7,009.34/9,672.89 = 3,865.52/x
3. Step 3: Cross multiply
   7,009.34x = 9,672.89 × 3,865.52
4. Step 4: Simplify right side
   7,009.34x = 37,390,754.61
5. Step 5: Solve for x
   x = 37,390,754.61/7,009.34
6. Step 6: Final answer
   x = 5,334.42