Finding the Fourth Proportional to 1,996.32, 2,754.10 and 1,288.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.32 : 2,754.10 = 1,288.02 : x
2. Step 2: Convert to fraction form
   1,996.32/2,754.10 = 1,288.02/x
3. Step 3: Cross multiply
   1,996.32x = 2,754.10 × 1,288.02
4. Step 4: Simplify right side
   1,996.32x = 3,547,335.88
5. Step 5: Solve for x
   x = 3,547,335.88/1,996.32
6. Step 6: Final answer
   x = 1,776.94