Finding the Fourth Proportional to 3,643.58, 5,466.18 and 1,046.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,643.58 : 5,466.18 = 1,046.72 : x
2. Step 2: Convert to fraction form
   3,643.58/5,466.18 = 1,046.72/x
3. Step 3: Cross multiply
   3,643.58x = 5,466.18 × 1,046.72
4. Step 4: Simplify right side
   3,643.58x = 5,721,559.93
5. Step 5: Solve for x
   x = 5,721,559.93/3,643.58
6. Step 6: Final answer
   x = 1,570.31