Finding the Fourth Proportional to 1,298,719.05, 1,792,227.06 and 725,759.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,298,719.05 : 1,792,227.06 = 725,759.07 : x
2. Step 2: Convert to fraction form
   1,298,719.05/1,792,227.06 = 725,759.07/x
3. Step 3: Cross multiply
   1,298,719.05x = 1,792,227.06 × 725,759.07
4. Step 4: Simplify right side
   1,298,719.05x = 1,300,725,044,294.43
5. Step 5: Solve for x
   x = 1,300,725,044,294.43/1,298,719.05
6. Step 6: Final answer
   x = 1,001,544.59