Finding the Fourth Proportional to 3,142.43, 4,715.51 and 1,167.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,142.43 : 4,715.51 = 1,167.72 : x
2. Step 2: Convert to fraction form
   3,142.43/4,715.51 = 1,167.72/x
3. Step 3: Cross multiply
   3,142.43x = 4,715.51 × 1,167.72
4. Step 4: Simplify right side
   3,142.43x = 5,506,398.26
5. Step 5: Solve for x
   x = 5,506,398.26/3,142.43
6. Step 6: Final answer
   x = 1,752.28