Finding the Fourth Proportional to 7,013.34, 9,678.42 and 3,869.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,013.34 : 9,678.42 = 3,869.52 : x
2. Step 2: Convert to fraction form
   7,013.34/9,678.42 = 3,869.52/x
3. Step 3: Cross multiply
   7,013.34x = 9,678.42 × 3,869.52
4. Step 4: Simplify right side
   7,013.34x = 37,450,839.76
5. Step 5: Solve for x
   x = 37,450,839.76/7,013.34
6. Step 6: Final answer
   x = 5,339.94