Finding the Fourth Proportional to 1,150,227.38, 1,724,515.94 and 439,656.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,150,227.38 : 1,724,515.94 = 439,656.50 : x
2. Step 2: Convert to fraction form
   1,150,227.38/1,724,515.94 = 439,656.50/x
3. Step 3: Cross multiply
   1,150,227.38x = 1,724,515.94 × 439,656.50
4. Step 4: Simplify right side
   1,150,227.38x = 758,194,642,374.61
5. Step 5: Solve for x
   x = 758,194,642,374.61/1,150,227.38
6. Step 6: Final answer
   x = 659,169.36