Finding the Fourth Proportional to 1,995.20, 2,753.30 and 1,111.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.20 : 2,753.30 = 1,111.02 : x
2. Step 2: Convert to fraction form
   1,995.20/2,753.30 = 1,111.02/x
3. Step 3: Cross multiply
   1,995.20x = 2,753.30 × 1,111.02
4. Step 4: Simplify right side
   1,995.20x = 3,058,965.81
5. Step 5: Solve for x
   x = 3,058,965.81/1,995.20
6. Step 6: Final answer
   x = 1,533.17