Finding the Fourth Proportional to 1,327,103.10, 1,990,665.72 and 823,130.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,327,103.10 : 1,990,665.72 = 823,130.82 : x
2. Step 2: Convert to fraction form
   1,327,103.10/1,990,665.72 = 823,130.82/x
3. Step 3: Cross multiply
   1,327,103.10x = 1,990,665.72 × 823,130.82
4. Step 4: Simplify right side
   1,327,103.10x = 1,638,578,306,449.49
5. Step 5: Solve for x
   x = 1,638,578,306,449.49/1,327,103.10
6. Step 6: Final answer
   x = 1,234,703.10