Finding the Fourth Proportional to 1,257,605.34, 1,735,200.27 and 713,617.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,257,605.34 : 1,735,200.27 = 713,617.98 : x
2. Step 2: Convert to fraction form
   1,257,605.34/1,735,200.27 = 713,617.98/x
3. Step 3: Cross multiply
   1,257,605.34x = 1,735,200.27 × 713,617.98
4. Step 4: Simplify right side
   1,257,605.34x = 1,238,270,111,572.85
5. Step 5: Solve for x
   x = 1,238,270,111,572.85/1,257,605.34
6. Step 6: Final answer
   x = 984,625.36