Finding the Fourth Proportional to 1,996.20, 2,754.72 and 1,111.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,996.20 : 2,754.72 = 1,111.86 : x
2. Step 2: Convert to fraction form
   1,996.20/2,754.72 = 1,111.86/x
3. Step 3: Cross multiply
   1,996.20x = 2,754.72 × 1,111.86
4. Step 4: Simplify right side
   1,996.20x = 3,062,862.98
5. Step 5: Solve for x
   x = 3,062,862.98/1,996.20
6. Step 6: Final answer
   x = 1,534.35