Finding the Fourth Proportional to 1,013,919.39, 1,399,166.56 and 555,022.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,919.39 : 1,399,166.56 = 555,022.56 : x
2. Step 2: Convert to fraction form
   1,013,919.39/1,399,166.56 = 555,022.56/x
3. Step 3: Cross multiply
   1,013,919.39x = 1,399,166.56 × 555,022.56
4. Step 4: Simplify right side
   1,013,919.39x = 776,569,011,938.25
5. Step 5: Solve for x
   x = 776,569,011,938.25/1,013,919.39
6. Step 6: Final answer
   x = 765,908.04