Finding the Fourth Proportional to 850,870.72, 1,275,854.46 and 251,749.36

Step by Step Solution

1. Step 1: Write the proportion equation
   850,870.72 : 1,275,854.46 = 251,749.36 : x
2. Step 2: Convert to fraction form
   850,870.72/1,275,854.46 = 251,749.36/x
3. Step 3: Cross multiply
   850,870.72x = 1,275,854.46 × 251,749.36
4. Step 4: Simplify right side
   850,870.72x = 321,195,543,758.15
5. Step 5: Solve for x
   x = 321,195,543,758.15/850,870.72
6. Step 6: Final answer
   x = 377,490.42