Finding the Fourth Proportional to 404,809.07, 607,215.69 and 168,152.00

Step by Step Solution

1. Step 1: Write the proportion equation
   404,809.07 : 607,215.69 = 168,152.00 : x
2. Step 2: Convert to fraction form
   404,809.07/607,215.69 = 168,152.00/x
3. Step 3: Cross multiply
   404,809.07x = 607,215.69 × 168,152.00
4. Step 4: Simplify right side
   404,809.07x = 102,104,529,668.80
5. Step 5: Solve for x
   x = 102,104,529,668.80/404,809.07
6. Step 6: Final answer
   x = 252,228.86