Finding the Fourth Proportional to 2,012.67, 2,777.45 and 1,116.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.67 : 2,777.45 = 1,116.41 : x
2. Step 2: Convert to fraction form
   2,012.67/2,777.45 = 1,116.41/x
3. Step 3: Cross multiply
   2,012.67x = 2,777.45 × 1,116.41
4. Step 4: Simplify right side
   2,012.67x = 3,100,772.95
5. Step 5: Solve for x
   x = 3,100,772.95/2,012.67
6. Step 6: Final answer
   x = 1,540.63