Finding the Fourth Proportional to 3,667.20, 5,058.96 and 2,672

Step by Step Solution

1. Step 1: Write the proportion equation
   3,667.20 : 5,058.96 = 2,672 : x
2. Step 2: Convert to fraction form
   3,667.20/5,058.96 = 2,672/x
3. Step 3: Cross multiply
   3,667.20x = 5,058.96 × 2,672
4. Step 4: Simplify right side
   3,667.20x = 13,517,541.12
5. Step 5: Solve for x
   x = 13,517,541.12/3,667.20
6. Step 6: Final answer
   x = 3,686.07