Finding the Fourth Proportional to 2,279,222.43, 3,145,115.57 and 1,260,605.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,222.43 : 3,145,115.57 = 1,260,605.31 : x
2. Step 2: Convert to fraction form
   2,279,222.43/3,145,115.57 = 1,260,605.31/x
3. Step 3: Cross multiply
   2,279,222.43x = 3,145,115.57 × 1,260,605.31
4. Step 4: Simplify right side
   2,279,222.43x = 3,964,749,381,802.65
5. Step 5: Solve for x
   x = 3,964,749,381,802.65/2,279,222.43
6. Step 6: Final answer
   x = 1,739,518.41