Finding the Fourth Proportional to 2,226,429.99, 3,072,473.78 and 1,259,540.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,226,429.99 : 3,072,473.78 = 1,259,540.28 : x
2. Step 2: Convert to fraction form
   2,226,429.99/3,072,473.78 = 1,259,540.28/x
3. Step 3: Cross multiply
   2,226,429.99x = 3,072,473.78 × 1,259,540.28
4. Step 4: Simplify right side
   2,226,429.99x = 3,869,904,478,856.16
5. Step 5: Solve for x
   x = 3,869,904,478,856.16/2,226,429.99
6. Step 6: Final answer
   x = 1,738,165.81