Finding the Fourth Proportional to 1,064,399, 1,468,870.68 and 725,459.36

Step by Step Solution

1. Step 1: Write the proportion equation
   1,064,399 : 1,468,870.68 = 725,459.36 : x
2. Step 2: Convert to fraction form
   1,064,399/1,468,870.68 = 725,459.36/x
3. Step 3: Cross multiply
   1,064,399x = 1,468,870.68 × 725,459.36
4. Step 4: Simplify right side
   1,064,399x = 1,065,605,983,435.56
5. Step 5: Solve for x
   x = 1,065,605,983,435.56/1,064,399
6. Step 6: Final answer
   x = 1,001,133.96