Finding the Fourth Proportional to 1,996.53, 2,753.06 and 1,398.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.53 : 2,753.06 = 1,398.83 : x
2. Step 2: Convert to fraction form
   1,996.53/2,753.06 = 1,398.83/x
3. Step 3: Cross multiply
   1,996.53x = 2,753.06 × 1,398.83
4. Step 4: Simplify right side
   1,996.53x = 3,851,049.76
5. Step 5: Solve for x
   x = 3,851,049.76/1,996.53
6. Step 6: Final answer
   x = 1,928.88