Finding the Fourth Proportional to 3,667.80, 5,060.61 and 2,176.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.80 : 5,060.61 = 2,176.05 : x
2. Step 2: Convert to fraction form
   3,667.80/5,060.61 = 2,176.05/x
3. Step 3: Cross multiply
   3,667.80x = 5,060.61 × 2,176.05
4. Step 4: Simplify right side
   3,667.80x = 11,012,140.39
5. Step 5: Solve for x
   x = 11,012,140.39/3,667.80
6. Step 6: Final answer
   x = 3,002.38