Finding the Fourth Proportional to 2,812.73, 3,883.22 and 1,929.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,812.73 : 3,883.22 = 1,929.83 : x
2. Step 2: Convert to fraction form
   2,812.73/3,883.22 = 1,929.83/x
3. Step 3: Cross multiply
   2,812.73x = 3,883.22 × 1,929.83
4. Step 4: Simplify right side
   2,812.73x = 7,493,925.39
5. Step 5: Solve for x
   x = 7,493,925.39/2,812.73
6. Step 6: Final answer
   x = 2,664.29