Finding the Fourth Proportional to 1,801.98, 2,486.88 and 1,016.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,801.98 : 2,486.88 = 1,016.17 : x
2. Step 2: Convert to fraction form
   1,801.98/2,486.88 = 1,016.17/x
3. Step 3: Cross multiply
   1,801.98x = 2,486.88 × 1,016.17
4. Step 4: Simplify right side
   1,801.98x = 2,527,086.63
5. Step 5: Solve for x
   x = 2,527,086.63/1,801.98
6. Step 6: Final answer
   x = 1,402.39