Finding the Fourth Proportional to 2,012.82, 3,017.61 and 916.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,012.82 : 3,017.61 = 916.62 : x
2. Step 2: Convert to fraction form
   2,012.82/3,017.61 = 916.62/x
3. Step 3: Cross multiply
   2,012.82x = 3,017.61 × 916.62
4. Step 4: Simplify right side
   2,012.82x = 2,766,001.68
5. Step 5: Solve for x
   x = 2,766,001.68/2,012.82
6. Step 6: Final answer
   x = 1,374.19