Finding the Fourth Proportional to 8,003.68, 12,005.98 and 2,160.76

Step by Step Solution

1. Step 1: Write the proportion equation
   8,003.68 : 12,005.98 = 2,160.76 : x
2. Step 2: Convert to fraction form
   8,003.68/12,005.98 = 2,160.76/x
3. Step 3: Cross multiply
   8,003.68x = 12,005.98 × 2,160.76
4. Step 4: Simplify right side
   8,003.68x = 25,942,041.34
5. Step 5: Solve for x
   x = 25,942,041.34/8,003.68
6. Step 6: Final answer
   x = 3,241.26