Finding the Fourth Proportional to 1,908.48, 2,633.63 and 1,111.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,908.48 : 2,633.63 = 1,111.83 : x
2. Step 2: Convert to fraction form
   1,908.48/2,633.63 = 1,111.83/x
3. Step 3: Cross multiply
   1,908.48x = 2,633.63 × 1,111.83
4. Step 4: Simplify right side
   1,908.48x = 2,928,154.48
5. Step 5: Solve for x
   x = 2,928,154.48/1,908.48
6. Step 6: Final answer
   x = 1,534.28