Finding the Fourth Proportional to 2,279,196.93, 3,145,080.65 and 1,260,579.81

Step by Step Solution

1. Step 1: Write the proportion equation
   2,279,196.93 : 3,145,080.65 = 1,260,579.81 : x
2. Step 2: Convert to fraction form
   2,279,196.93/3,145,080.65 = 1,260,579.81/x
3. Step 3: Cross multiply
   2,279,196.93x = 3,145,080.65 × 1,260,579.81
4. Step 4: Simplify right side
   2,279,196.93x = 3,964,625,161,908.78
5. Step 5: Solve for x
   x = 3,964,625,161,908.78/2,279,196.93
6. Step 6: Final answer
   x = 1,739,483.37