Finding the Fourth Proportional to 2,380,929.80, 3,285,707.20 and 1,293,222.60

Step by Step Solution

1. Step 1: Write the proportion equation
   2,380,929.80 : 3,285,707.20 = 1,293,222.60 : x
2. Step 2: Convert to fraction form
   2,380,929.80/3,285,707.20 = 1,293,222.60/x
3. Step 3: Cross multiply
   2,380,929.80x = 3,285,707.20 × 1,293,222.60
4. Step 4: Simplify right side
   2,380,929.80x = 4,249,150,808,022.72
5. Step 5: Solve for x
   x = 4,249,150,808,022.72/2,380,929.80
6. Step 6: Final answer
   x = 1,784,660.27