Finding the Fourth Proportional to 2,251,028.32, 3,106,426.51 and 1,218,535.83

Step by Step Solution

1. Step 1: Write the proportion equation
   2,251,028.32 : 3,106,426.51 = 1,218,535.83 : x
2. Step 2: Convert to fraction form
   2,251,028.32/3,106,426.51 = 1,218,535.83/x
3. Step 3: Cross multiply
   2,251,028.32x = 3,106,426.51 × 1,218,535.83
4. Step 4: Simplify right side
   2,251,028.32x = 3,785,292,002,650.51
5. Step 5: Solve for x
   x = 3,785,292,002,650.51/2,251,028.32
6. Step 6: Final answer
   x = 1,681,583.47