Finding the Fourth Proportional to 1,981.72, 2,734.30 and 1,282.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.72 : 2,734.30 = 1,282.96 : x
2. Step 2: Convert to fraction form
   1,981.72/2,734.30 = 1,282.96/x
3. Step 3: Cross multiply
   1,981.72x = 2,734.30 × 1,282.96
4. Step 4: Simplify right side
   1,981.72x = 3,507,997.53
5. Step 5: Solve for x
   x = 3,507,997.53/1,981.72
6. Step 6: Final answer
   x = 1,770.18