Finding the Fourth Proportional to 1,461.30, 2,013.18 and 1,018.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.30 : 2,013.18 = 1,018.42 : x
2. Step 2: Convert to fraction form
   1,461.30/2,013.18 = 1,018.42/x
3. Step 3: Cross multiply
   1,461.30x = 2,013.18 × 1,018.42
4. Step 4: Simplify right side
   1,461.30x = 2,050,262.78
5. Step 5: Solve for x
   x = 2,050,262.78/1,461.30
6. Step 6: Final answer
   x = 1,403.04