Finding the Fourth Proportional to 3,093.31, 4,640.72 and 1,013.42

Step by Step Solution

1. Step 1: Write the proportion equation
   3,093.31 : 4,640.72 = 1,013.42 : x
2. Step 2: Convert to fraction form
   3,093.31/4,640.72 = 1,013.42/x
3. Step 3: Cross multiply
   3,093.31x = 4,640.72 × 1,013.42
4. Step 4: Simplify right side
   3,093.31x = 4,702,993.40
5. Step 5: Solve for x
   x = 4,702,993.40/3,093.31
6. Step 6: Final answer
   x = 1,520.38