Finding the Fourth Proportional to 7,448.88, 10,279.25 and 4,091.67

Step by Step Solution

1. Step 1: Write the proportion equation
   7,448.88 : 10,279.25 = 4,091.67 : x
2. Step 2: Convert to fraction form
   7,448.88/10,279.25 = 4,091.67/x
3. Step 3: Cross multiply
   7,448.88x = 10,279.25 × 4,091.67
4. Step 4: Simplify right side
   7,448.88x = 42,059,278.39
5. Step 5: Solve for x
   x = 42,059,278.39/7,448.88
6. Step 6: Final answer
   x = 5,646.39