Finding the Fourth Proportional to 4,146.42, 5,698.50 and 3,731.23

Step by Step Solution

1. Step 1: Write the proportion equation
   4,146.42 : 5,698.50 = 3,731.23 : x
2. Step 2: Convert to fraction form
   4,146.42/5,698.50 = 3,731.23/x
3. Step 3: Cross multiply
   4,146.42x = 5,698.50 × 3,731.23
4. Step 4: Simplify right side
   4,146.42x = 21,262,404.23
5. Step 5: Solve for x
   x = 21,262,404.23/4,146.42
6. Step 6: Final answer
   x = 5,127.90