Finding the Fourth Proportional to 2,820,164.12, 4,229,808.78 and 926,892.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,820,164.12 : 4,229,808.78 = 926,892.80 : x
2. Step 2: Convert to fraction form
   2,820,164.12/4,229,808.78 = 926,892.80/x
3. Step 3: Cross multiply
   2,820,164.12x = 4,229,808.78 × 926,892.80
4. Step 4: Simplify right side
   2,820,164.12x = 3,920,579,303,558.78
5. Step 5: Solve for x
   x = 3,920,579,303,558.78/2,820,164.12
6. Step 6: Final answer
   x = 1,390,195.44