Finding the Fourth Proportional to 1,485.94, 2,227.94 and 754.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,485.94 : 2,227.94 = 754.50 : x
2. Step 2: Convert to fraction form
   1,485.94/2,227.94 = 754.50/x
3. Step 3: Cross multiply
   1,485.94x = 2,227.94 × 754.50
4. Step 4: Simplify right side
   1,485.94x = 1,680,980.73
5. Step 5: Solve for x
   x = 1,680,980.73/1,485.94
6. Step 6: Final answer
   x = 1,131.26