Finding the Fourth Proportional to 3,665.46, 5,058.12 and 2,173.52

Step by Step Solution

1. Step 1: Write the proportion equation
   3,665.46 : 5,058.12 = 2,173.52 : x
2. Step 2: Convert to fraction form
   3,665.46/5,058.12 = 2,173.52/x
3. Step 3: Cross multiply
   3,665.46x = 5,058.12 × 2,173.52
4. Step 4: Simplify right side
   3,665.46x = 10,993,924.98
5. Step 5: Solve for x
   x = 10,993,924.98/3,665.46
6. Step 6: Final answer
   x = 2,999.33