Finding the Fourth Proportional to 3,609.63, 5,414.79 and 1,012.56

Step by Step Solution

1. Step 1: Write the proportion equation
   3,609.63 : 5,414.79 = 1,012.56 : x
2. Step 2: Convert to fraction form
   3,609.63/5,414.79 = 1,012.56/x
3. Step 3: Cross multiply
   3,609.63x = 5,414.79 × 1,012.56
4. Step 4: Simplify right side
   3,609.63x = 5,482,799.76
5. Step 5: Solve for x
   x = 5,482,799.76/3,609.63
6. Step 6: Final answer
   x = 1,518.94