Finding the Fourth Proportional to 1,077.48, 1,488.38 and 844.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,077.48 : 1,488.38 = 844.37 : x
2. Step 2: Convert to fraction form
   1,077.48/1,488.38 = 844.37/x
3. Step 3: Cross multiply
   1,077.48x = 1,488.38 × 844.37
4. Step 4: Simplify right side
   1,077.48x = 1,256,743.42
5. Step 5: Solve for x
   x = 1,256,743.42/1,077.48
6. Step 6: Final answer
   x = 1,166.38