Finding the Fourth Proportional to 1,853.82, 2,558.28 and 1,107.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,853.82 : 2,558.28 = 1,107.94 : x
2. Step 2: Convert to fraction form
   1,853.82/2,558.28 = 1,107.94/x
3. Step 3: Cross multiply
   1,853.82x = 2,558.28 × 1,107.94
4. Step 4: Simplify right side
   1,853.82x = 2,834,411.79
5. Step 5: Solve for x
   x = 2,834,411.79/1,853.82
6. Step 6: Final answer
   x = 1,528.95