Finding the Fourth Proportional to 158,462.72, 237,698.24 and 46,138.40

Step by Step Solution

1. Step 1: Write the proportion equation
   158,462.72 : 237,698.24 = 46,138.40 : x
2. Step 2: Convert to fraction form
   158,462.72/237,698.24 = 46,138.40/x
3. Step 3: Cross multiply
   158,462.72x = 237,698.24 × 46,138.40
4. Step 4: Simplify right side
   158,462.72x = 10,967,016,476.42
5. Step 5: Solve for x
   x = 10,967,016,476.42/158,462.72
6. Step 6: Final answer
   x = 69,208.81