Finding the Fourth Proportional to 5,172.05, 7,758.53 and 1,662.37

Step by Step Solution

1. Step 1: Write the proportion equation
   5,172.05 : 7,758.53 = 1,662.37 : x
2. Step 2: Convert to fraction form
   5,172.05/7,758.53 = 1,662.37/x
3. Step 3: Cross multiply
   5,172.05x = 7,758.53 × 1,662.37
4. Step 4: Simplify right side
   5,172.05x = 12,897,579.03
5. Step 5: Solve for x
   x = 12,897,579.03/5,172.05
6. Step 6: Final answer
   x = 2,493.71