Finding the Fourth Proportional to 404,788.50, 607,212.18 and 155,470.50

Step by Step Solution

1. Step 1: Write the proportion equation
   404,788.50 : 607,212.18 = 155,470.50 : x
2. Step 2: Convert to fraction form
   404,788.50/607,212.18 = 155,470.50/x
3. Step 3: Cross multiply
   404,788.50x = 607,212.18 × 155,470.50
4. Step 4: Simplify right side
   404,788.50x = 94,403,581,230.69
5. Step 5: Solve for x
   x = 94,403,581,230.69/404,788.50
6. Step 6: Final answer
   x = 233,217.05