Finding the Fourth Proportional to 2,715.81, 3,747.86 and 1,667.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.81 : 3,747.86 = 1,667.25 : x
2. Step 2: Convert to fraction form
   2,715.81/3,747.86 = 1,667.25/x
3. Step 3: Cross multiply
   2,715.81x = 3,747.86 × 1,667.25
4. Step 4: Simplify right side
   2,715.81x = 6,248,611.25
5. Step 5: Solve for x
   x = 6,248,611.25/2,715.81
6. Step 6: Final answer
   x = 2,300.83