Finding the Fourth Proportional to 2,659.82, 3,670.67 and 2,216.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,659.82 : 3,670.67 = 2,216.98 : x
2. Step 2: Convert to fraction form
   2,659.82/3,670.67 = 2,216.98/x
3. Step 3: Cross multiply
   2,659.82x = 3,670.67 × 2,216.98
4. Step 4: Simplify right side
   2,659.82x = 8,137,801.98
5. Step 5: Solve for x
   x = 8,137,801.98/2,659.82
6. Step 6: Final answer
   x = 3,059.53