Finding the Fourth Proportional to 3,335.17, 5,003.46 and 1,143.31

Step by Step Solution

1. Step 1: Write the proportion equation
   3,335.17 : 5,003.46 = 1,143.31 : x
2. Step 2: Convert to fraction form
   3,335.17/5,003.46 = 1,143.31/x
3. Step 3: Cross multiply
   3,335.17x = 5,003.46 × 1,143.31
4. Step 4: Simplify right side
   3,335.17x = 5,720,493.34
5. Step 5: Solve for x
   x = 5,720,493.34/3,335.17
6. Step 6: Final answer
   x = 1,715.20