Finding the Fourth Proportional to 3,142.07, 4,336.17 and 1,725.87

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.07 : 4,336.17 = 1,725.87 : x
2. Step 2: Convert to fraction form
   3,142.07/4,336.17 = 1,725.87/x
3. Step 3: Cross multiply
   3,142.07x = 4,336.17 × 1,725.87
4. Step 4: Simplify right side
   3,142.07x = 7,483,665.72
5. Step 5: Solve for x
   x = 7,483,665.72/3,142.07
6. Step 6: Final answer
   x = 2,381.77