Finding the Fourth Proportional to 2,186,150.34, 3,279,645.81 and 838,207.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,150.34 : 3,279,645.81 = 838,207.83 : x
2. Step 2: Convert to fraction form
   2,186,150.34/3,279,645.81 = 838,207.83/x
3. Step 3: Cross multiply
   2,186,150.34x = 3,279,645.81 × 838,207.83
4. Step 4: Simplify right side
   2,186,150.34x = 2,749,024,797,568.69
5. Step 5: Solve for x
   x = 2,749,024,797,568.69/2,186,150.34
6. Step 6: Final answer
   x = 1,257,472.90