Finding the Fourth Proportional to 2,612,928.52, 3,919,391.33 and 815,966.00

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612,928.52 : 3,919,391.33 = 815,966.00 : x
2. Step 2: Convert to fraction form
   2,612,928.52/3,919,391.33 = 815,966.00/x
3. Step 3: Cross multiply
   2,612,928.52x = 3,919,391.33 × 815,966.00
4. Step 4: Simplify right side
   2,612,928.52x = 3,198,090,042,297.99
5. Step 5: Solve for x
   x = 3,198,090,042,297.99/2,612,928.52
6. Step 6: Final answer
   x = 1,223,948.54