Finding the Fourth Proportional to 2,186,152.34, 3,279,648.82 and 838,209.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,186,152.34 : 3,279,648.82 = 838,209.84 : x
2. Step 2: Convert to fraction form
   2,186,152.34/3,279,648.82 = 838,209.84/x
3. Step 3: Cross multiply
   2,186,152.34x = 3,279,648.82 × 838,209.84
4. Step 4: Simplify right side
   2,186,152.34x = 2,749,033,912,668.39
5. Step 5: Solve for x
   x = 2,749,033,912,668.39/2,186,152.34
6. Step 6: Final answer
   x = 1,257,475.91