Finding the Fourth Proportional to 7,448.54, 10,279.10 and 4,091.49

Step by Step Solution

1. Step 1: Write the proportion equation
   7,448.54 : 10,279.10 = 4,091.49 : x
2. Step 2: Convert to fraction form
   7,448.54/10,279.10 = 4,091.49/x
3. Step 3: Cross multiply
   7,448.54x = 10,279.10 × 4,091.49
4. Step 4: Simplify right side
   7,448.54x = 42,056,834.86
5. Step 5: Solve for x
   x = 42,056,834.86/7,448.54
6. Step 6: Final answer
   x = 5,646.32