Finding the Fourth Proportional to 419,141.48, 578,397.88 and 237,849.72

Step by Step Solution

1. Step 1: Write the proportion equation
   419,141.48 : 578,397.88 = 237,849.72 : x
2. Step 2: Convert to fraction form
   419,141.48/578,397.88 = 237,849.72/x
3. Step 3: Cross multiply
   419,141.48x = 578,397.88 × 237,849.72
4. Step 4: Simplify right side
   419,141.48x = 137,571,773,806.59
5. Step 5: Solve for x
   x = 137,571,773,806.59/419,141.48
6. Step 6: Final answer
   x = 328,222.76