Finding the Fourth Proportional to 1,516.46, 2,272.71 and 682.91

Step by Step Solution

1. Step 1: Write the proportion equation
   1,516.46 : 2,272.71 = 682.91 : x
2. Step 2: Convert to fraction form
   1,516.46/2,272.71 = 682.91/x
3. Step 3: Cross multiply
   1,516.46x = 2,272.71 × 682.91
4. Step 4: Simplify right side
   1,516.46x = 1,552,045.02
5. Step 5: Solve for x
   x = 1,552,045.02/1,516.46
6. Step 6: Final answer
   x = 1,023.47