Finding the Fourth Proportional to 2,018,841.72, 3,028,834.62 and 821,623.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,018,841.72 : 3,028,834.62 = 821,623.25 : x
2. Step 2: Convert to fraction form
   2,018,841.72/3,028,834.62 = 821,623.25/x
3. Step 3: Cross multiply
   2,018,841.72x = 3,028,834.62 × 821,623.25
4. Step 4: Simplify right side
   2,018,841.72x = 2,488,560,934,731.81
5. Step 5: Solve for x
   x = 2,488,560,934,731.81/2,018,841.72
6. Step 6: Final answer
   x = 1,232,667.68