Finding the Fourth Proportional to 5,105.52, 7,046.28 and 3,116.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,105.52 : 7,046.28 = 3,116.34 : x
2. Step 2: Convert to fraction form
   5,105.52/7,046.28 = 3,116.34/x
3. Step 3: Cross multiply
   5,105.52x = 7,046.28 × 3,116.34
4. Step 4: Simplify right side
   5,105.52x = 21,958,604.22
5. Step 5: Solve for x
   x = 21,958,604.22/5,105.52
6. Step 6: Final answer
   x = 4,300.95