Finding the Fourth Proportional to 3,516.72, 5,277.50 and 1,327.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,516.72 : 5,277.50 = 1,327.29 : x
2. Step 2: Convert to fraction form
   3,516.72/5,277.50 = 1,327.29/x
3. Step 3: Cross multiply
   3,516.72x = 5,277.50 × 1,327.29
4. Step 4: Simplify right side
   3,516.72x = 7,004,766.34
5. Step 5: Solve for x
   x = 7,004,766.34/3,516.72
6. Step 6: Final answer
   x = 1,991.85