Finding the Fourth Proportional to 1,453.69, 2,002.86 and 955.45

Step by Step Solution

1. Step 1: Write the proportion equation
   1,453.69 : 2,002.86 = 955.45 : x
2. Step 2: Convert to fraction form
   1,453.69/2,002.86 = 955.45/x
3. Step 3: Cross multiply
   1,453.69x = 2,002.86 × 955.45
4. Step 4: Simplify right side
   1,453.69x = 1,913,632.59
5. Step 5: Solve for x
   x = 1,913,632.59/1,453.69
6. Step 6: Final answer
   x = 1,316.40