Finding the Fourth Proportional to 3,664.34, 5,063.49 and 2,667.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,664.34 : 5,063.49 = 2,667.89 : x
2. Step 2: Convert to fraction form
   3,664.34/5,063.49 = 2,667.89/x
3. Step 3: Cross multiply
   3,664.34x = 5,063.49 × 2,667.89
4. Step 4: Simplify right side
   3,664.34x = 13,508,809.02
5. Step 5: Solve for x
   x = 13,508,809.02/3,664.34
6. Step 6: Final answer
   x = 3,686.56