Finding the Fourth Proportional to 1,552.69, 2,142.70 and 844.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,552.69 : 2,142.70 = 844.54 : x
2. Step 2: Convert to fraction form
   1,552.69/2,142.70 = 844.54/x
3. Step 3: Cross multiply
   1,552.69x = 2,142.70 × 844.54
4. Step 4: Simplify right side
   1,552.69x = 1,809,588.39
5. Step 5: Solve for x
   x = 1,809,588.39/1,552.69
6. Step 6: Final answer
   x = 1,165.45