Finding the Fourth Proportional to 308,483.82, 425,729.38 and 172,530.42

Step by Step Solution

1. Step 1: Write the proportion equation
   308,483.82 : 425,729.38 = 172,530.42 : x
2. Step 2: Convert to fraction form
   308,483.82/425,729.38 = 172,530.42/x
3. Step 3: Cross multiply
   308,483.82x = 425,729.38 × 172,530.42
4. Step 4: Simplify right side
   308,483.82x = 73,451,268,737.74
5. Step 5: Solve for x
   x = 73,451,268,737.74/308,483.82
6. Step 6: Final answer
   x = 238,104.12