Finding the Fourth Proportional to 1,303,431.22, 1,798,841.61 and 722,836.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,303,431.22 : 1,798,841.61 = 722,836.18 : x
2. Step 2: Convert to fraction form
   1,303,431.22/1,798,841.61 = 722,836.18/x
3. Step 3: Cross multiply
   1,303,431.22x = 1,798,841.61 × 722,836.18
4. Step 4: Simplify right side
   1,303,431.22x = 1,300,267,800,046.00
5. Step 5: Solve for x
   x = 1,300,267,800,046.00/1,303,431.22
6. Step 6: Final answer
   x = 997,573.00