Finding the Fourth Proportional to 1,433.41, 1,976.25 and 928.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,433.41 : 1,976.25 = 928.37 : x
2. Step 2: Convert to fraction form
   1,433.41/1,976.25 = 928.37/x
3. Step 3: Cross multiply
   1,433.41x = 1,976.25 × 928.37
4. Step 4: Simplify right side
   1,433.41x = 1,834,681.33
5. Step 5: Solve for x
   x = 1,834,681.33/1,433.41
6. Step 6: Final answer
   x = 1,279.94