Finding the Fourth Proportional to 2,256,908.43, 3,114,533.29 and 1,290,059.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256,908.43 : 3,114,533.29 = 1,290,059.48 : x
2. Step 2: Convert to fraction form
   2,256,908.43/3,114,533.29 = 1,290,059.48/x
3. Step 3: Cross multiply
   2,256,908.43x = 3,114,533.29 × 1,290,059.48
4. Step 4: Simplify right side
   2,256,908.43x = 4,017,933,196,540.09
5. Step 5: Solve for x
   x = 4,017,933,196,540.09/2,256,908.43
6. Step 6: Final answer
   x = 1,780,281.89