Finding the Fourth Proportional to 3,667.25, 5,503.82 and 1,912.79

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.25 : 5,503.82 = 1,912.79 : x
2. Step 2: Convert to fraction form
   3,667.25/5,503.82 = 1,912.79/x
3. Step 3: Cross multiply
   3,667.25x = 5,503.82 × 1,912.79
4. Step 4: Simplify right side
   3,667.25x = 10,527,614.77
5. Step 5: Solve for x
   x = 10,527,614.77/3,667.25
6. Step 6: Final answer
   x = 2,870.71