Finding the Fourth Proportional to 3,866,112.34, 5,335,234.86 and 2,147,392.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,866,112.34 : 5,335,234.86 = 2,147,392.78 : x
2. Step 2: Convert to fraction form
   3,866,112.34/5,335,234.86 = 2,147,392.78/x
3. Step 3: Cross multiply
   3,866,112.34x = 5,335,234.86 × 2,147,392.78
4. Step 4: Simplify right side
   3,866,112.34x = 11,456,844,817,968.31
5. Step 5: Solve for x
   x = 11,456,844,817,968.31/3,866,112.34
6. Step 6: Final answer
   x = 2,963,401.94