Finding the Fourth Proportional to 1,433.69, 1,978.86 and 844.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.69 : 1,978.86 = 844.41 : x
2. Step 2: Convert to fraction form
   1,433.69/1,978.86 = 844.41/x
3. Step 3: Cross multiply
   1,433.69x = 1,978.86 × 844.41
4. Step 4: Simplify right side
   1,433.69x = 1,670,969.17
5. Step 5: Solve for x
   x = 1,670,969.17/1,433.69
6. Step 6: Final answer
   x = 1,165.51