Finding the Fourth Proportional to 1,150,668.56, 1,723,903.32 and 642,584.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,668.56 : 1,723,903.32 = 642,584.72 : x
2. Step 2: Convert to fraction form
   1,150,668.56/1,723,903.32 = 642,584.72/x
3. Step 3: Cross multiply
   1,150,668.56x = 1,723,903.32 × 642,584.72
4. Step 4: Simplify right side
   1,150,668.56x = 1,107,753,932,189.27
5. Step 5: Solve for x
   x = 1,107,753,932,189.27/1,150,668.56
6. Step 6: Final answer
   x = 962,704.61