Finding the Fourth Proportional to 3,760.63, 5,641.18 and 2,118.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,760.63 : 5,641.18 = 2,118.56 : x
2. Step 2: Convert to fraction form
   3,760.63/5,641.18 = 2,118.56/x
3. Step 3: Cross multiply
   3,760.63x = 5,641.18 × 2,118.56
4. Step 4: Simplify right side
   3,760.63x = 11,951,144.80
5. Step 5: Solve for x
   x = 11,951,144.80/3,760.63
6. Step 6: Final answer
   x = 3,177.97