Finding the Fourth Proportional to 1,631.14, 2,448.33 and 1,111.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,631.14 : 2,448.33 = 1,111.18 : x
2. Step 2: Convert to fraction form
   1,631.14/2,448.33 = 1,111.18/x
3. Step 3: Cross multiply
   1,631.14x = 2,448.33 × 1,111.18
4. Step 4: Simplify right side
   1,631.14x = 2,720,535.33
5. Step 5: Solve for x
   x = 2,720,535.33/1,631.14
6. Step 6: Final answer
   x = 1,667.87