Finding the Fourth Proportional to 1,250.78, 1,874.73 and 674.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,250.78 : 1,874.73 = 674.06 : x
2. Step 2: Convert to fraction form
   1,250.78/1,874.73 = 674.06/x
3. Step 3: Cross multiply
   1,250.78x = 1,874.73 × 674.06
4. Step 4: Simplify right side
   1,250.78x = 1,263,680.50
5. Step 5: Solve for x
   x = 1,263,680.50/1,250.78
6. Step 6: Final answer
   x = 1,010.31