Finding the Fourth Proportional to 1,995.80, 2,754.12 and 1,111.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.80 : 2,754.12 = 1,111.56 : x
2. Step 2: Convert to fraction form
   1,995.80/2,754.12 = 1,111.56/x
3. Step 3: Cross multiply
   1,995.80x = 2,754.12 × 1,111.56
4. Step 4: Simplify right side
   1,995.80x = 3,061,369.63
5. Step 5: Solve for x
   x = 3,061,369.63/1,995.80
6. Step 6: Final answer
   x = 1,533.91