Finding the Fourth Proportional to 2,715.08, 3,744.90 and 1,667.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,715.08 : 3,744.90 = 1,667.72 : x
2. Step 2: Convert to fraction form
   2,715.08/3,744.90 = 1,667.72/x
3. Step 3: Cross multiply
   2,715.08x = 3,744.90 × 1,667.72
4. Step 4: Simplify right side
   2,715.08x = 6,245,444.63
5. Step 5: Solve for x
   x = 6,245,444.63/2,715.08
6. Step 6: Final answer
   x = 2,300.28