Finding the Fourth Proportional to 2,477,077.93, 3,714,725.47 and 857,406.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477,077.93 : 3,714,725.47 = 857,406.69 : x
2. Step 2: Convert to fraction form
   2,477,077.93/3,714,725.47 = 857,406.69/x
3. Step 3: Cross multiply
   2,477,077.93x = 3,714,725.47 × 857,406.69
4. Step 4: Simplify right side
   2,477,077.93x = 3,185,030,469,491.39
5. Step 5: Solve for x
   x = 3,185,030,469,491.39/2,477,077.93
6. Step 6: Final answer
   x = 1,285,801.48