Finding the Fourth Proportional to 2,557,772.92, 3,835,828.72 and 851,457.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,557,772.92 : 3,835,828.72 = 851,457.88 : x
2. Step 2: Convert to fraction form
   2,557,772.92/3,835,828.72 = 851,457.88/x
3. Step 3: Cross multiply
   2,557,772.92x = 3,835,828.72 × 851,457.88
4. Step 4: Simplify right side
   2,557,772.92x = 3,266,046,589,974.31
5. Step 5: Solve for x
   x = 3,266,046,589,974.31/2,557,772.92
6. Step 6: Final answer
   x = 1,276,910.30