Finding the Fourth Proportional to 404,354.49, 606,467.31 and 134,460.15

Step by Step Solution

1. Step 1: Write the proportion equation
   404,354.49 : 606,467.31 = 134,460.15 : x
2. Step 2: Convert to fraction form
   404,354.49/606,467.31 = 134,460.15/x
3. Step 3: Cross multiply
   404,354.49x = 606,467.31 × 134,460.15
4. Step 4: Simplify right side
   404,354.49x = 81,545,685,472.70
5. Step 5: Solve for x
   x = 81,545,685,472.70/404,354.49
6. Step 6: Final answer
   x = 201,668.80