Finding the Fourth Proportional to 4,788.98, 7,182.89 and 1,279.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,788.98 : 7,182.89 = 1,279.25 : x
2. Step 2: Convert to fraction form
   4,788.98/7,182.89 = 1,279.25/x
3. Step 3: Cross multiply
   4,788.98x = 7,182.89 × 1,279.25
4. Step 4: Simplify right side
   4,788.98x = 9,188,669.72
5. Step 5: Solve for x
   x = 9,188,669.72/4,788.98
6. Step 6: Final answer
   x = 1,918.71