Finding the Fourth Proportional to 1,903.98, 2,857.59 and 750.54

Step by Step Solution

1. Step 1: Write the proportion equation
   1,903.98 : 2,857.59 = 750.54 : x
2. Step 2: Convert to fraction form
   1,903.98/2,857.59 = 750.54/x
3. Step 3: Cross multiply
   1,903.98x = 2,857.59 × 750.54
4. Step 4: Simplify right side
   1,903.98x = 2,144,735.60
5. Step 5: Solve for x
   x = 2,144,735.60/1,903.98
6. Step 6: Final answer
   x = 1,126.45