Finding the Fourth Proportional to 1,245,579.34, 1,864,131.34 and 765,554.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,245,579.34 : 1,864,131.34 = 765,554.03 : x
2. Step 2: Convert to fraction form
   1,245,579.34/1,864,131.34 = 765,554.03/x
3. Step 3: Cross multiply
   1,245,579.34x = 1,864,131.34 × 765,554.03
4. Step 4: Simplify right side
   1,245,579.34x = 1,427,093,259,786.30
5. Step 5: Solve for x
   x = 1,427,093,259,786.30/1,245,579.34
6. Step 6: Final answer
   x = 1,145,726.51