Finding the Fourth Proportional to 7,448.85, 10,279.58 and 4,091.73

Step by Step Solution

1. Step 1: Write the proportion equation
   7,448.85 : 10,279.58 = 4,091.73 : x
2. Step 2: Convert to fraction form
   7,448.85/10,279.58 = 4,091.73/x
3. Step 3: Cross multiply
   7,448.85x = 10,279.58 × 4,091.73
4. Step 4: Simplify right side
   7,448.85x = 42,061,245.41
5. Step 5: Solve for x
   x = 42,061,245.41/7,448.85
6. Step 6: Final answer
   x = 5,646.68