Finding the Fourth Proportional to 1,850.34, 2,553.39 and 1,011.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,850.34 : 2,553.39 = 1,011.03 : x
2. Step 2: Convert to fraction form
   1,850.34/2,553.39 = 1,011.03/x
3. Step 3: Cross multiply
   1,850.34x = 2,553.39 × 1,011.03
4. Step 4: Simplify right side
   1,850.34x = 2,581,553.89
5. Step 5: Solve for x
   x = 2,581,553.89/1,850.34
6. Step 6: Final answer
   x = 1,395.18