Finding the Fourth Proportional to 10,647.42, 15,982.50 and 6,957.06

Step by Step Solution

1. Step 1: Write the proportion equation
   10,647.42 : 15,982.50 = 6,957.06 : x
2. Step 2: Convert to fraction form
   10,647.42/15,982.50 = 6,957.06/x
3. Step 3: Cross multiply
   10,647.42x = 15,982.50 × 6,957.06
4. Step 4: Simplify right side
   10,647.42x = 111,191,211.45
5. Step 5: Solve for x
   x = 111,191,211.45/10,647.42
6. Step 6: Final answer
   x = 10,443.02