Finding the Fourth Proportional to 3,667.80, 5,061.49 and 2,074.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.80 : 5,061.49 = 2,074.42 : x
2. Step 2: Convert to fraction form
   3,667.80/5,061.49 = 2,074.42/x
3. Step 3: Cross multiply
   3,667.80x = 5,061.49 × 2,074.42
4. Step 4: Simplify right side
   3,667.80x = 10,499,656.09
5. Step 5: Solve for x
   x = 10,499,656.09/3,667.80
6. Step 6: Final answer
   x = 2,862.66