Finding the Fourth Proportional to 9,678.48, 13,352.41 and 7,020.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,678.48 : 13,352.41 = 7,020.06 : x
2. Step 2: Convert to fraction form
   9,678.48/13,352.41 = 7,020.06/x
3. Step 3: Cross multiply
   9,678.48x = 13,352.41 × 7,020.06
4. Step 4: Simplify right side
   9,678.48x = 93,734,719.34
5. Step 5: Solve for x
   x = 93,734,719.34/9,678.48
6. Step 6: Final answer
   x = 9,684.86