Finding the Fourth Proportional to 1,995.72, 2,754.12 and 1,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.72 : 2,754.12 = 1,111.50 : x
2. Step 2: Convert to fraction form
   1,995.72/2,754.12 = 1,111.50/x
3. Step 3: Cross multiply
   1,995.72x = 2,754.12 × 1,111.50
4. Step 4: Simplify right side
   1,995.72x = 3,061,204.38
5. Step 5: Solve for x
   x = 3,061,204.38/1,995.72
6. Step 6: Final answer
   x = 1,533.88