Finding the Fourth Proportional to 1,461.06, 2,016.72 and 1,018.80

Step by Step Solution

1. Step 1: Write the proportion equation
   1,461.06 : 2,016.72 = 1,018.80 : x
2. Step 2: Convert to fraction form
   1,461.06/2,016.72 = 1,018.80/x
3. Step 3: Cross multiply
   1,461.06x = 2,016.72 × 1,018.80
4. Step 4: Simplify right side
   1,461.06x = 2,054,634.34
5. Step 5: Solve for x
   x = 2,054,634.34/1,461.06
6. Step 6: Final answer
   x = 1,406.26