Finding the Fourth Proportional to 3,358.34, 5,038.20 and 1,018.47

Step by Step Solution

1. Step 1: Write the proportion equation
   3,358.34 : 5,038.20 = 1,018.47 : x
2. Step 2: Convert to fraction form
   3,358.34/5,038.20 = 1,018.47/x
3. Step 3: Cross multiply
   3,358.34x = 5,038.20 × 1,018.47
4. Step 4: Simplify right side
   3,358.34x = 5,131,255.55
5. Step 5: Solve for x
   x = 5,131,255.55/3,358.34
6. Step 6: Final answer
   x = 1,527.91