Finding the Fourth Proportional to 5,095.29, 7,031.35 and 3,105.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,095.29 : 7,031.35 = 3,105.12 : x
2. Step 2: Convert to fraction form
   5,095.29/7,031.35 = 3,105.12/x
3. Step 3: Cross multiply
   5,095.29x = 7,031.35 × 3,105.12
4. Step 4: Simplify right side
   5,095.29x = 21,833,185.51
5. Step 5: Solve for x
   x = 21,833,185.51/5,095.29
6. Step 6: Final answer
   x = 4,284.97