Finding the Fourth Proportional to 8,030.28, 12,043.56 and 2,185.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,030.28 : 12,043.56 = 2,185.72 : x
2. Step 2: Convert to fraction form
   8,030.28/12,043.56 = 2,185.72/x
3. Step 3: Cross multiply
   8,030.28x = 12,043.56 × 2,185.72
4. Step 4: Simplify right side
   8,030.28x = 26,323,849.96
5. Step 5: Solve for x
   x = 26,323,849.96/8,030.28
6. Step 6: Final answer
   x = 3,278.07