Finding the Fourth Proportional to 3,653.59, 5,480.43 and 1,056.53

Step by Step Solution

1. Step 1: Write the proportion equation
   3,653.59 : 5,480.43 = 1,056.53 : x
2. Step 2: Convert to fraction form
   3,653.59/5,480.43 = 1,056.53/x
3. Step 3: Cross multiply
   3,653.59x = 5,480.43 × 1,056.53
4. Step 4: Simplify right side
   3,653.59x = 5,790,238.71
5. Step 5: Solve for x
   x = 5,790,238.71/3,653.59
6. Step 6: Final answer
   x = 1,584.81