Finding the Fourth Proportional to 308,124.45, 425,196.27 and 172,131.39

Step by Step Solution

1. Step 1: Write the proportion equation
   308,124.45 : 425,196.27 = 172,131.39 : x
2. Step 2: Convert to fraction form
   308,124.45/425,196.27 = 172,131.39/x
3. Step 3: Cross multiply
   308,124.45x = 425,196.27 × 172,131.39
4. Step 4: Simplify right side
   308,124.45x = 73,189,624,977.92
5. Step 5: Solve for x
   x = 73,189,624,977.92/308,124.45
6. Step 6: Final answer
   x = 237,532.68