Finding the Fourth Proportional to 1,890.82, 2,835.15 and 1,012.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,890.82 : 2,835.15 = 1,012.24 : x
2. Step 2: Convert to fraction form
   1,890.82/2,835.15 = 1,012.24/x
3. Step 3: Cross multiply
   1,890.82x = 2,835.15 × 1,012.24
4. Step 4: Simplify right side
   1,890.82x = 2,869,852.24
5. Step 5: Solve for x
   x = 2,869,852.24/1,890.82
6. Step 6: Final answer
   x = 1,517.78