Finding the Fourth Proportional to 428,315.69, 591,066.83 and 237,327.41

Step by Step Solution

1. Step 1: Write the proportion equation
   428,315.69 : 591,066.83 = 237,327.41 : x
2. Step 2: Convert to fraction form
   428,315.69/591,066.83 = 237,327.41/x
3. Step 3: Cross multiply
   428,315.69x = 591,066.83 × 237,327.41
4. Step 4: Simplify right side
   428,315.69x = 140,276,355,758.84
5. Step 5: Solve for x
   x = 140,276,355,758.84/428,315.69
6. Step 6: Final answer
   x = 327,506.93