Finding the Fourth Proportional to 357,404.02, 493,256.91 and 204,456.31

Step by Step Solution

1. Step 1: Write the proportion equation
   357,404.02 : 493,256.91 = 204,456.31 : x
2. Step 2: Convert to fraction form
   357,404.02/493,256.91 = 204,456.31/x
3. Step 3: Cross multiply
   357,404.02x = 493,256.91 × 204,456.31
4. Step 4: Simplify right side
   357,404.02x = 100,849,487,700.60
5. Step 5: Solve for x
   x = 100,849,487,700.60/357,404.02
6. Step 6: Final answer
   x = 282,172.23