Finding the Fourth Proportional to 2,692.32, 4,014.91 and 2,667.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,692.32 : 4,014.91 = 2,667.71 : x
2. Step 2: Convert to fraction form
   2,692.32/4,014.91 = 2,667.71/x
3. Step 3: Cross multiply
   2,692.32x = 4,014.91 × 2,667.71
4. Step 4: Simplify right side
   2,692.32x = 10,710,615.56
5. Step 5: Solve for x
   x = 10,710,615.56/2,692.32
6. Step 6: Final answer
   x = 3,978.21