Finding the Fourth Proportional to 1,995.39, 2,753.78 and 1,111.19

Step by Step Solution

1. Step 1: Write the proportion equation
   1,995.39 : 2,753.78 = 1,111.19 : x
2. Step 2: Convert to fraction form
   1,995.39/2,753.78 = 1,111.19/x
3. Step 3: Cross multiply
   1,995.39x = 2,753.78 × 1,111.19
4. Step 4: Simplify right side
   1,995.39x = 3,059,953.47
5. Step 5: Solve for x
   x = 3,059,953.47/1,995.39
6. Step 6: Final answer
   x = 1,533.51