Finding the Fourth Proportional to 1,809.98, 2,497.84 and 1,111.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,809.98 : 2,497.84 = 1,111.58 : x
2. Step 2: Convert to fraction form
   1,809.98/2,497.84 = 1,111.58/x
3. Step 3: Cross multiply
   1,809.98x = 2,497.84 × 1,111.58
4. Step 4: Simplify right side
   1,809.98x = 2,776,533.72
5. Step 5: Solve for x
   x = 2,776,533.72/1,809.98
6. Step 6: Final answer
   x = 1,534.02