Finding the Fourth Proportional to 2,256,958.14, 3,114,601.72 and 1,290,109.24

Step by Step Solution

1. Step 1: Write the proportion equation
   2,256,958.14 : 3,114,601.72 = 1,290,109.24 : x
2. Step 2: Convert to fraction form
   2,256,958.14/3,114,601.72 = 1,290,109.24/x
3. Step 3: Cross multiply
   2,256,958.14x = 3,114,601.72 × 1,290,109.24
4. Step 4: Simplify right side
   2,256,958.14x = 4,018,176,457,891.89
5. Step 5: Solve for x
   x = 4,018,176,457,891.89/2,256,958.14
6. Step 6: Final answer
   x = 1,780,350.46