Finding the Fourth Proportional to 2,443.14, 3,660.36 and 2,116.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,443.14 : 3,660.36 = 2,116.98 : x
2. Step 2: Convert to fraction form
   2,443.14/3,660.36 = 2,116.98/x
3. Step 3: Cross multiply
   2,443.14x = 3,660.36 × 2,116.98
4. Step 4: Simplify right side
   2,443.14x = 7,748,908.91
5. Step 5: Solve for x
   x = 7,748,908.91/2,443.14
6. Step 6: Final answer
   x = 3,171.70