Finding the Fourth Proportional to 3,635.67, 5,453.86 and 1,443.91

Step by Step Solution

1. Step 1: Write the proportion equation
   3,635.67 : 5,453.86 = 1,443.91 : x
2. Step 2: Convert to fraction form
   3,635.67/5,453.86 = 1,443.91/x
3. Step 3: Cross multiply
   3,635.67x = 5,453.86 × 1,443.91
4. Step 4: Simplify right side
   3,635.67x = 7,874,865.75
5. Step 5: Solve for x
   x = 7,874,865.75/3,635.67
6. Step 6: Final answer
   x = 2,166.00