Finding the Fourth Proportional to 1,249.49, 1,870.29 and 1,016.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,249.49 : 1,870.29 = 1,016.42 : x
2. Step 2: Convert to fraction form
   1,249.49/1,870.29 = 1,016.42/x
3. Step 3: Cross multiply
   1,249.49x = 1,870.29 × 1,016.42
4. Step 4: Simplify right side
   1,249.49x = 1,900,990.81
5. Step 5: Solve for x
   x = 1,900,990.81/1,249.49
6. Step 6: Final answer
   x = 1,521.41