Finding the Fourth Proportional to 2,021,300.10, 3,031,950.15 and 822,605.40

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021,300.10 : 3,031,950.15 = 822,605.40 : x
2. Step 2: Convert to fraction form
   2,021,300.10/3,031,950.15 = 822,605.40/x
3. Step 3: Cross multiply
   2,021,300.10x = 3,031,950.15 × 822,605.40
4. Step 4: Simplify right side
   2,021,300.10x = 2,494,098,565,920.81
5. Step 5: Solve for x
   x = 2,494,098,565,920.81/2,021,300.10
6. Step 6: Final answer
   x = 1,233,908.10