Finding the Fourth Proportional to 2,865,384.49, 4,298,076.69 and 843,628.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,865,384.49 : 4,298,076.69 = 843,628.72 : x
2. Step 2: Convert to fraction form
   2,865,384.49/4,298,076.69 = 843,628.72/x
3. Step 3: Cross multiply
   2,865,384.49x = 4,298,076.69 × 843,628.72
4. Step 4: Simplify right side
   2,865,384.49x = 3,625,980,936,446.54
5. Step 5: Solve for x
   x = 3,625,980,936,446.54/2,865,384.49
6. Step 6: Final answer
   x = 1,265,443.07