Finding the Fourth Proportional to 2,865,380.49, 4,298,070.69 and 843,624.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,865,380.49 : 4,298,070.69 = 843,624.72 : x
2. Step 2: Convert to fraction form
   2,865,380.49/4,298,070.69 = 843,624.72/x
3. Step 3: Cross multiply
   2,865,380.49x = 4,298,070.69 × 843,624.72
4. Step 4: Simplify right side
   2,865,380.49x = 3,625,958,682,391.46
5. Step 5: Solve for x
   x = 3,625,958,682,391.46/2,865,380.49
6. Step 6: Final answer
   x = 1,265,437.07