Finding the Fourth Proportional to 10,056.33, 15,016.76 and 8,211.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,056.33 : 15,016.76 = 8,211.04 : x
2. Step 2: Convert to fraction form
   10,056.33/15,016.76 = 8,211.04/x
3. Step 3: Cross multiply
   10,056.33x = 15,016.76 × 8,211.04
4. Step 4: Simplify right side
   10,056.33x = 123,303,217.03
5. Step 5: Solve for x
   x = 123,303,217.03/10,056.33
6. Step 6: Final answer
   x = 12,261.26