Finding the Fourth Proportional to 1,018,627.79, 1,405,676.98 and 577,061.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,018,627.79 : 1,405,676.98 = 577,061.23 : x
2. Step 2: Convert to fraction form
   1,018,627.79/1,405,676.98 = 577,061.23/x
3. Step 3: Cross multiply
   1,018,627.79x = 1,405,676.98 × 577,061.23
4. Step 4: Simplify right side
   1,018,627.79x = 811,161,687,061.49
5. Step 5: Solve for x
   x = 811,161,687,061.49/1,018,627.79
6. Step 6: Final answer
   x = 796,327.86