Finding the Fourth Proportional to 1,995.70, 2,754.15 and 1,111.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.70 : 2,754.15 = 1,111.50 : x
2. Step 2: Convert to fraction form
   1,995.70/2,754.15 = 1,111.50/x
3. Step 3: Cross multiply
   1,995.70x = 2,754.15 × 1,111.50
4. Step 4: Simplify right side
   1,995.70x = 3,061,237.73
5. Step 5: Solve for x
   x = 3,061,237.73/1,995.70
6. Step 6: Final answer
   x = 1,533.92