Finding the Fourth Proportional to 1,520.73, 2,098.71 and 931.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,520.73 : 2,098.71 = 931.14 : x
2. Step 2: Convert to fraction form
   1,520.73/2,098.71 = 931.14/x
3. Step 3: Cross multiply
   1,520.73x = 2,098.71 × 931.14
4. Step 4: Simplify right side
   1,520.73x = 1,954,192.83
5. Step 5: Solve for x
   x = 1,954,192.83/1,520.73
6. Step 6: Final answer
   x = 1,285.04