Finding the Fourth Proportional to 1,418,826.77, 1,958,022.32 and 774,288.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,418,826.77 : 1,958,022.32 = 774,288.48 : x
2. Step 2: Convert to fraction form
   1,418,826.77/1,958,022.32 = 774,288.48/x
3. Step 3: Cross multiply
   1,418,826.77x = 1,958,022.32 × 774,288.48
4. Step 4: Simplify right side
   1,418,826.77x = 1,516,074,122,087.43
5. Step 5: Solve for x
   x = 1,516,074,122,087.43/1,418,826.77
6. Step 6: Final answer
   x = 1,068,540.68