Finding the Fourth Proportional to 3,142.34, 4,336.47 and 1,726.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.34 : 4,336.47 = 1,726.15 : x
2. Step 2: Convert to fraction form
   3,142.34/4,336.47 = 1,726.15/x
3. Step 3: Cross multiply
   3,142.34x = 4,336.47 × 1,726.15
4. Step 4: Simplify right side
   3,142.34x = 7,485,397.69
5. Step 5: Solve for x
   x = 7,485,397.69/3,142.34
6. Step 6: Final answer
   x = 2,382.11