Finding the Fourth Proportional to 1,855.01, 2,558.71 and 1,108.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,855.01 : 2,558.71 = 1,108.46 : x
2. Step 2: Convert to fraction form
   1,855.01/2,558.71 = 1,108.46/x
3. Step 3: Cross multiply
   1,855.01x = 2,558.71 × 1,108.46
4. Step 4: Simplify right side
   1,855.01x = 2,836,227.69
5. Step 5: Solve for x
   x = 2,836,227.69/1,855.01
6. Step 6: Final answer
   x = 1,528.96