Finding the Fourth Proportional to 4,152.47, 5,735.37 and 3,031.61

Step by Step Solution

1. Step 1: Write the proportion equation
   4,152.47 : 5,735.37 = 3,031.61 : x
2. Step 2: Convert to fraction form
   4,152.47/5,735.37 = 3,031.61/x
3. Step 3: Cross multiply
   4,152.47x = 5,735.37 × 3,031.61
4. Step 4: Simplify right side
   4,152.47x = 17,387,405.05
5. Step 5: Solve for x
   x = 17,387,405.05/4,152.47
6. Step 6: Final answer
   x = 4,187.24