Finding the Fourth Proportional to 46,469.50, 69,665.06 and 20,154.42

Step by Step Solution

1. Step 1: Write the proportion equation
   46,469.50 : 69,665.06 = 20,154.42 : x
2. Step 2: Convert to fraction form
   46,469.50/69,665.06 = 20,154.42/x
3. Step 3: Cross multiply
   46,469.50x = 69,665.06 × 20,154.42
4. Step 4: Simplify right side
   46,469.50x = 1,404,058,828.18
5. Step 5: Solve for x
   x = 1,404,058,828.18/46,469.50
6. Step 6: Final answer
   x = 30,214.63