Finding the Fourth Proportional to 2,667.08, 3,992.25 and 1,936.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.08 : 3,992.25 = 1,936.46 : x
2. Step 2: Convert to fraction form
   2,667.08/3,992.25 = 1,936.46/x
3. Step 3: Cross multiply
   2,667.08x = 3,992.25 × 1,936.46
4. Step 4: Simplify right side
   2,667.08x = 7,730,832.44
5. Step 5: Solve for x
   x = 7,730,832.44/2,667.08
6. Step 6: Final answer
   x = 2,898.61