Finding the Fourth Proportional to 1,511,300.53, 2,085,564.81 and 822,980.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,511,300.53 : 2,085,564.81 = 822,980.55 : x
2. Step 2: Convert to fraction form
   1,511,300.53/2,085,564.81 = 822,980.55/x
3. Step 3: Cross multiply
   1,511,300.53x = 2,085,564.81 × 822,980.55
4. Step 4: Simplify right side
   1,511,300.53x = 1,716,379,285,301.49
5. Step 5: Solve for x
   x = 1,716,379,285,301.49/1,511,300.53
6. Step 6: Final answer
   x = 1,135,696.87