Finding the Fourth Proportional to 3,086.72, 4,632.52 and 1,140.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,086.72 : 4,632.52 = 1,140.30 : x
2. Step 2: Convert to fraction form
   3,086.72/4,632.52 = 1,140.30/x
3. Step 3: Cross multiply
   3,086.72x = 4,632.52 × 1,140.30
4. Step 4: Simplify right side
   3,086.72x = 5,282,462.56
5. Step 5: Solve for x
   x = 5,282,462.56/3,086.72
6. Step 6: Final answer
   x = 1,711.35