Finding the Fourth Proportional to 2,157,672, 3,236,663.52 and 827,976

Step by Step Solution

1. Step 1: Write the proportion equation
   2,157,672 : 3,236,663.52 = 827,976 : x
2. Step 2: Convert to fraction form
   2,157,672/3,236,663.52 = 827,976/x
3. Step 3: Cross multiply
   2,157,672x = 3,236,663.52 × 827,976
4. Step 4: Simplify right side
   2,157,672x = 2,679,879,714,635.52
5. Step 5: Solve for x
   x = 2,679,879,714,635.52/2,157,672
6. Step 6: Final answer
   x = 1,242,023.68