Finding the Fourth Proportional to 1,444.56, 1,992.49 and 920.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,444.56 : 1,992.49 = 920.35 : x
2. Step 2: Convert to fraction form
   1,444.56/1,992.49 = 920.35/x
3. Step 3: Cross multiply
   1,444.56x = 1,992.49 × 920.35
4. Step 4: Simplify right side
   1,444.56x = 1,833,788.17
5. Step 5: Solve for x
   x = 1,833,788.17/1,444.56
6. Step 6: Final answer
   x = 1,269.44