Finding the Fourth Proportional to 8,015.34, 12,019.05 and 4,684.43

Step by Step Solution

1. Step 1: Write the proportion equation
   8,015.34 : 12,019.05 = 4,684.43 : x
2. Step 2: Convert to fraction form
   8,015.34/12,019.05 = 4,684.43/x
3. Step 3: Cross multiply
   8,015.34x = 12,019.05 × 4,684.43
4. Step 4: Simplify right side
   8,015.34x = 56,302,398.39
5. Step 5: Solve for x
   x = 56,302,398.39/8,015.34
6. Step 6: Final answer
   x = 7,024.33