Finding the Fourth Proportional to 1,013,162.22, 1,398,152.52 and 554,290.02

Step by Step Solution

1. Step 1: Write the proportion equation
   1,013,162.22 : 1,398,152.52 = 554,290.02 : x
2. Step 2: Convert to fraction form
   1,013,162.22/1,398,152.52 = 554,290.02/x
3. Step 3: Cross multiply
   1,013,162.22x = 1,398,152.52 × 554,290.02
4. Step 4: Simplify right side
   1,013,162.22x = 774,981,988,273.85
5. Step 5: Solve for x
   x = 774,981,988,273.85/1,013,162.22
6. Step 6: Final answer
   x = 764,914.02