Finding the Fourth Proportional to 1,912.82, 2,865.15 and 924.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,912.82 : 2,865.15 = 924.14 : x
2. Step 2: Convert to fraction form
   1,912.82/2,865.15 = 924.14/x
3. Step 3: Cross multiply
   1,912.82x = 2,865.15 × 924.14
4. Step 4: Simplify right side
   1,912.82x = 2,647,799.72
5. Step 5: Solve for x
   x = 2,647,799.72/1,912.82
6. Step 6: Final answer
   x = 1,384.24