Finding the Fourth Proportional to 308,445.72, 425,477.66 and 181,096.71

Step by Step Solution

1. Step 1: Write the proportion equation
   308,445.72 : 425,477.66 = 181,096.71 : x
2. Step 2: Convert to fraction form
   308,445.72/425,477.66 = 181,096.71/x
3. Step 3: Cross multiply
   308,445.72x = 425,477.66 × 181,096.71
4. Step 4: Simplify right side
   308,445.72x = 77,052,603,499.02
5. Step 5: Solve for x
   x = 77,052,603,499.02/308,445.72
6. Step 6: Final answer
   x = 249,809.28