Finding the Fourth Proportional to 404,300.52, 606,852.15 and 214,762.62

Step by Step Solution

1. Step 1: Write the proportion equation
   404,300.52 : 606,852.15 = 214,762.62 : x
2. Step 2: Convert to fraction form
   404,300.52/606,852.15 = 214,762.62/x
3. Step 3: Cross multiply
   404,300.52x = 606,852.15 × 214,762.62
4. Step 4: Simplify right side
   404,300.52x = 130,329,157,686.63
5. Step 5: Solve for x
   x = 130,329,157,686.63/404,300.52
6. Step 6: Final answer
   x = 322,357.14