Finding the Fourth Proportional to 7,949.43, 11,922.89 and 4,788.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,949.43 : 11,922.89 = 4,788.59 : x
2. Step 2: Convert to fraction form
   7,949.43/11,922.89 = 4,788.59/x
3. Step 3: Cross multiply
   7,949.43x = 11,922.89 × 4,788.59
4. Step 4: Simplify right side
   7,949.43x = 57,093,748.27
5. Step 5: Solve for x
   x = 57,093,748.27/7,949.43
6. Step 6: Final answer
   x = 7,182.12