Finding the Fourth Proportional to 308,096.53, 425,165.38 and 172,131.50

Step by Step Solution

1. Step 1: Write the proportion equation
   308,096.53 : 425,165.38 = 172,131.50 : x
2. Step 2: Convert to fraction form
   308,096.53/425,165.38 = 172,131.50/x
3. Step 3: Cross multiply
   308,096.53x = 425,165.38 × 172,131.50
4. Step 4: Simplify right side
   308,096.53x = 73,184,354,607.47
5. Step 5: Solve for x
   x = 73,184,354,607.47/308,096.53
6. Step 6: Final answer
   x = 237,537.09