Finding the Fourth Proportional to 404,210.52, 557,714.61 and 229,767.03

Step by Step Solution

1. Step 1: Write the proportion equation
   404,210.52 : 557,714.61 = 229,767.03 : x
2. Step 2: Convert to fraction form
   404,210.52/557,714.61 = 229,767.03/x
3. Step 3: Cross multiply
   404,210.52x = 557,714.61 × 229,767.03
4. Step 4: Simplify right side
   404,210.52x = 128,144,427,558.60
5. Step 5: Solve for x
   x = 128,144,427,558.60/404,210.52
6. Step 6: Final answer
   x = 317,023.98