Finding the Fourth Proportional to 2,667.29, 4,002.97 and 2,148.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,667.29 : 4,002.97 = 2,148.55 : x
2. Step 2: Convert to fraction form
   2,667.29/4,002.97 = 2,148.55/x
3. Step 3: Cross multiply
   2,667.29x = 4,002.97 × 2,148.55
4. Step 4: Simplify right side
   2,667.29x = 8,600,561.18
5. Step 5: Solve for x
   x = 8,600,561.18/2,667.29
6. Step 6: Final answer
   x = 3,224.46