Finding the Fourth Proportional to 1,809.92, 2,498.32 and 1,111.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.92 : 2,498.32 = 1,111.36 : x
2. Step 2: Convert to fraction form
   1,809.92/2,498.32 = 1,111.36/x
3. Step 3: Cross multiply
   1,809.92x = 2,498.32 × 1,111.36
4. Step 4: Simplify right side
   1,809.92x = 2,776,532.92
5. Step 5: Solve for x
   x = 2,776,532.92/1,809.92
6. Step 6: Final answer
   x = 1,534.06