Finding the Fourth Proportional to 3,609.81, 5,414.00 and 1,012.77

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.81 : 5,414.00 = 1,012.77 : x
2. Step 2: Convert to fraction form
   3,609.81/5,414.00 = 1,012.77/x
3. Step 3: Cross multiply
   3,609.81x = 5,414.00 × 1,012.77
4. Step 4: Simplify right side
   3,609.81x = 5,483,131.72
5. Step 5: Solve for x
   x = 5,483,131.72/3,609.81
6. Step 6: Final answer
   x = 1,518.95