Finding the Fourth Proportional to 1,723,629.69, 2,585,619.50 and 659,566.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,723,629.69 : 2,585,619.50 = 659,566.71 : x
2. Step 2: Convert to fraction form
   1,723,629.69/2,585,619.50 = 659,566.71/x
3. Step 3: Cross multiply
   1,723,629.69x = 2,585,619.50 × 659,566.71
4. Step 4: Simplify right side
   1,723,629.69x = 1,705,388,543,629.01
5. Step 5: Solve for x
   x = 1,705,388,543,629.01/1,723,629.69
6. Step 6: Final answer
   x = 989,417.02