Finding the Fourth Proportional to 3,279,388.61, 4,908,993.83 and 2,139,696.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,279,388.61 : 4,908,993.83 = 2,139,696.78 : x
2. Step 2: Convert to fraction form
   3,279,388.61/4,908,993.83 = 2,139,696.78/x
3. Step 3: Cross multiply
   3,279,388.61x = 4,908,993.83 × 2,139,696.78
4. Step 4: Simplify right side
   3,279,388.61x = 10,503,758,270,007.52
5. Step 5: Solve for x
   x = 10,503,758,270,007.52/3,279,388.61
6. Step 6: Final answer
   x = 3,202,962.35