Finding the Fourth Proportional to 2,157,952, 3,237,083.52 and 828,256

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,952 : 3,237,083.52 = 828,256 : x
2. Step 2: Convert to fraction form
   2,157,952/3,237,083.52 = 828,256/x
3. Step 3: Cross multiply
   2,157,952x = 3,237,083.52 × 828,256
4. Step 4: Simplify right side
   2,157,952x = 2,681,133,847,941.12
5. Step 5: Solve for x
   x = 2,681,133,847,941.12/2,157,952
6. Step 6: Final answer
   x = 1,242,443.69