Finding the Fourth Proportional to 2,477,075.93, 3,714,722.47 and 857,404.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,477,075.93 : 3,714,722.47 = 857,404.69 : x
2. Step 2: Convert to fraction form
   2,477,075.93/3,714,722.47 = 857,404.69/x
3. Step 3: Cross multiply
   2,477,075.93x = 3,714,722.47 × 857,404.69
4. Step 4: Simplify right side
   2,477,075.93x = 3,185,020,480,506.65
5. Step 5: Solve for x
   x = 3,185,020,480,506.65/2,477,075.93
6. Step 6: Final answer
   x = 1,285,798.48