Finding the Fourth Proportional to 3,670.43, 5,506.45 and 1,073.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,670.43 : 5,506.45 = 1,073.57 : x
2. Step 2: Convert to fraction form
   3,670.43/5,506.45 = 1,073.57/x
3. Step 3: Cross multiply
   3,670.43x = 5,506.45 × 1,073.57
4. Step 4: Simplify right side
   3,670.43x = 5,911,559.53
5. Step 5: Solve for x
   x = 5,911,559.53/3,670.43
6. Step 6: Final answer
   x = 1,610.59