Finding the Fourth Proportional to 1,065,571.50, 1,470,488.67 and 588,643.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,065,571.50 : 1,470,488.67 = 588,643.50 : x
2. Step 2: Convert to fraction form
   1,065,571.50/1,470,488.67 = 588,643.50/x
3. Step 3: Cross multiply
   1,065,571.50x = 1,470,488.67 × 588,643.50
4. Step 4: Simplify right side
   1,065,571.50x = 865,593,597,419.15
5. Step 5: Solve for x
   x = 865,593,597,419.15/1,065,571.50
6. Step 6: Final answer
   x = 812,328.03