Finding the Fourth Proportional to 8,003.43, 12,006.70 and 3,072.69

Step by Step Solution

1. Step 1: Write the proportion equation
   8,003.43 : 12,006.70 = 3,072.69 : x
2. Step 2: Convert to fraction form
   8,003.43/12,006.70 = 3,072.69/x
3. Step 3: Cross multiply
   8,003.43x = 12,006.70 × 3,072.69
4. Step 4: Simplify right side
   8,003.43x = 36,892,859.34
5. Step 5: Solve for x
   x = 36,892,859.34/8,003.43
6. Step 6: Final answer
   x = 4,609.63