Finding the Fourth Proportional to 1,498.34, 2,249.94 and 950.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,498.34 : 2,249.94 = 950.78 : x
2. Step 2: Convert to fraction form
   1,498.34/2,249.94 = 950.78/x
3. Step 3: Cross multiply
   1,498.34x = 2,249.94 × 950.78
4. Step 4: Simplify right side
   1,498.34x = 2,139,197.95
5. Step 5: Solve for x
   x = 2,139,197.95/1,498.34
6. Step 6: Final answer
   x = 1,427.71