Finding the Fourth Proportional to 2,680.56, 3,700.89 and 1,936.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,680.56 : 3,700.89 = 1,936.98 : x
2. Step 2: Convert to fraction form
   2,680.56/3,700.89 = 1,936.98/x
3. Step 3: Cross multiply
   2,680.56x = 3,700.89 × 1,936.98
4. Step 4: Simplify right side
   2,680.56x = 7,168,549.91
5. Step 5: Solve for x
   x = 7,168,549.91/2,680.56
6. Step 6: Final answer
   x = 2,674.27