Finding the Fourth Proportional to 2,012.76, 3,015.59 and 914.85

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.76 : 3,015.59 = 914.85 : x
2. Step 2: Convert to fraction form
   2,012.76/3,015.59 = 914.85/x
3. Step 3: Cross multiply
   2,012.76x = 3,015.59 × 914.85
4. Step 4: Simplify right side
   2,012.76x = 2,758,807.94
5. Step 5: Solve for x
   x = 2,758,807.94/2,012.76
6. Step 6: Final answer
   x = 1,370.66