Finding the Fourth Proportional to 5,411.16, 7,467.57 and 3,142.31

Step by Step Solution

1. Step 1: Write the proportion equation
   5,411.16 : 7,467.57 = 3,142.31 : x
2. Step 2: Convert to fraction form
   5,411.16/7,467.57 = 3,142.31/x
3. Step 3: Cross multiply
   5,411.16x = 7,467.57 × 3,142.31
4. Step 4: Simplify right side
   5,411.16x = 23,465,382.55
5. Step 5: Solve for x
   x = 23,465,382.55/5,411.16
6. Step 6: Final answer
   x = 4,336.48