Finding the Fourth Proportional to 308,113.25, 462,550.46 and 146,162.15

Step by Step Solution

1. Step 1: Write the proportion equation
   308,113.25 : 462,550.46 = 146,162.15 : x
2. Step 2: Convert to fraction form
   308,113.25/462,550.46 = 146,162.15/x
3. Step 3: Cross multiply
   308,113.25x = 462,550.46 × 146,162.15
4. Step 4: Simplify right side
   308,113.25x = 67,607,366,673.53
5. Step 5: Solve for x
   x = 67,607,366,673.53/308,113.25
6. Step 6: Final answer
   x = 219,423.76