Finding the Fourth Proportional to 8,059.76, 12,089.40 and 2,216.72

Step by Step Solution

1. Step 1: Write the proportion equation
   8,059.76 : 12,089.40 = 2,216.72 : x
2. Step 2: Convert to fraction form
   8,059.76/12,089.40 = 2,216.72/x
3. Step 3: Cross multiply
   8,059.76x = 12,089.40 × 2,216.72
4. Step 4: Simplify right side
   8,059.76x = 26,798,814.77
5. Step 5: Solve for x
   x = 26,798,814.77/8,059.76
6. Step 6: Final answer
   x = 3,325.01