Finding the Fourth Proportional to 308,574.72, 462,695.76 and 166,496.16

Step by Step Solution

1. Step 1: Write the proportion equation
   308,574.72 : 462,695.76 = 166,496.16 : x
2. Step 2: Convert to fraction form
   308,574.72/462,695.76 = 166,496.16/x
3. Step 3: Cross multiply
   308,574.72x = 462,695.76 × 166,496.16
4. Step 4: Simplify right side
   308,574.72x = 77,037,067,288.28
5. Step 5: Solve for x
   x = 77,037,067,288.28/308,574.72
6. Step 6: Final answer
   x = 249,654.50