Finding the Fourth Proportional to 2,843,031.12, 4,263,917.94 and 820,835.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,843,031.12 : 4,263,917.94 = 820,835.34 : x
2. Step 2: Convert to fraction form
   2,843,031.12/4,263,917.94 = 820,835.34/x
3. Step 3: Cross multiply
   2,843,031.12x = 4,263,917.94 × 820,835.34
4. Step 4: Simplify right side
   2,843,031.12x = 3,499,974,532,012
5. Step 5: Solve for x
   x = 3,499,974,532,012/2,843,031.12
6. Step 6: Final answer
   x = 1,231,071.48