Finding the Fourth Proportional to 5,443.90, 8,167.01 and 3,105.02

Step by Step Solution

1. Step 1: Write the proportion equation
   5,443.90 : 8,167.01 = 3,105.02 : x
2. Step 2: Convert to fraction form
   5,443.90/8,167.01 = 3,105.02/x
3. Step 3: Cross multiply
   5,443.90x = 8,167.01 × 3,105.02
4. Step 4: Simplify right side
   5,443.90x = 25,358,729.39
5. Step 5: Solve for x
   x = 25,358,729.39/5,443.90
6. Step 6: Final answer
   x = 4,658.19