Finding the Fourth Proportional to 2,453.12, 3,677.61 and 1,065.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.12 : 3,677.61 = 1,065.41 : x
2. Step 2: Convert to fraction form
   2,453.12/3,677.61 = 1,065.41/x
3. Step 3: Cross multiply
   2,453.12x = 3,677.61 × 1,065.41
4. Step 4: Simplify right side
   2,453.12x = 3,918,162.47
5. Step 5: Solve for x
   x = 3,918,162.47/2,453.12
6. Step 6: Final answer
   x = 1,597.22