Finding the Fourth Proportional to 1,850.31, 2,553.12 and 1,104.57

Step by Step Solution

1. Step 1: Write the proportion equation
   1,850.31 : 2,553.12 = 1,104.57 : x
2. Step 2: Convert to fraction form
   1,850.31/2,553.12 = 1,104.57/x
3. Step 3: Cross multiply
   1,850.31x = 2,553.12 × 1,104.57
4. Step 4: Simplify right side
   1,850.31x = 2,820,099.76
5. Step 5: Solve for x
   x = 2,820,099.76/1,850.31
6. Step 6: Final answer
   x = 1,524.12