Finding the Fourth Proportional to 1,257,064.82, 1,734,788.56 and 713,223.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,064.82 : 1,734,788.56 = 713,223.52 : x
2. Step 2: Convert to fraction form
   1,257,064.82/1,734,788.56 = 713,223.52/x
3. Step 3: Cross multiply
   1,257,064.82x = 1,734,788.56 × 713,223.52
4. Step 4: Simplify right side
   1,257,064.82x = 1,237,292,003,218.93
5. Step 5: Solve for x
   x = 1,237,292,003,218.93/1,257,064.82
6. Step 6: Final answer
   x = 984,270.65