Finding the Fourth Proportional to 146,022.80, 219,061.24 and 46,208.12

Step by Step Solution

1. Step 1: Write the proportion equation
   146,022.80 : 219,061.24 = 46,208.12 : x
2. Step 2: Convert to fraction form
   146,022.80/219,061.24 = 46,208.12/x
3. Step 3: Cross multiply
   146,022.80x = 219,061.24 × 46,208.12
4. Step 4: Simplify right side
   146,022.80x = 10,122,408,065.27
5. Step 5: Solve for x
   x = 10,122,408,065.27/146,022.80
6. Step 6: Final answer
   x = 69,320.74