Finding the Fourth Proportional to 3,642.63, 5,464.82 and 1,045.54

Step by Step Solution

1. Step 1: Write the proportion equation
   3,642.63 : 5,464.82 = 1,045.54 : x
2. Step 2: Convert to fraction form
   3,642.63/5,464.82 = 1,045.54/x
3. Step 3: Cross multiply
   3,642.63x = 5,464.82 × 1,045.54
4. Step 4: Simplify right side
   3,642.63x = 5,713,687.90
5. Step 5: Solve for x
   x = 5,713,687.90/3,642.63
6. Step 6: Final answer
   x = 1,568.56