Finding the Fourth Proportional to 3,483.31, 5,225.49 and 1,018.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,483.31 : 5,225.49 = 1,018.30 : x
2. Step 2: Convert to fraction form
   3,483.31/5,225.49 = 1,018.30/x
3. Step 3: Cross multiply
   3,483.31x = 5,225.49 × 1,018.30
4. Step 4: Simplify right side
   3,483.31x = 5,321,116.47
5. Step 5: Solve for x
   x = 5,321,116.47/3,483.31
6. Step 6: Final answer
   x = 1,527.60