Finding the Fourth Proportional to 1,499,220.33, 2,068,940.39 and 820,142.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499,220.33 : 2,068,940.39 = 820,142.25 : x
2. Step 2: Convert to fraction form
   1,499,220.33/2,068,940.39 = 820,142.25/x
3. Step 3: Cross multiply
   1,499,220.33x = 2,068,940.39 × 820,142.25
4. Step 4: Simplify right side
   1,499,220.33x = 1,696,825,422,469.77
5. Step 5: Solve for x
   x = 1,696,825,422,469.77/1,499,220.33
6. Step 6: Final answer
   x = 1,131,805.24