Finding the Fourth Proportional to 1,981.76, 2,733.76 and 1,282.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,981.76 : 2,733.76 = 1,282.40 : x
2. Step 2: Convert to fraction form
   1,981.76/2,733.76 = 1,282.40/x
3. Step 3: Cross multiply
   1,981.76x = 2,733.76 × 1,282.40
4. Step 4: Simplify right side
   1,981.76x = 3,505,773.82
5. Step 5: Solve for x
   x = 3,505,773.82/1,981.76
6. Step 6: Final answer
   x = 1,769.02