Finding the Fourth Proportional to 375,404.02, 517,930.81 and 214,145.57

Step by Step Solution

1. Step 1: Write the proportion equation
   375,404.02 : 517,930.81 = 214,145.57 : x
2. Step 2: Convert to fraction form
   375,404.02/517,930.81 = 214,145.57/x
3. Step 3: Cross multiply
   375,404.02x = 517,930.81 × 214,145.57
4. Step 4: Simplify right side
   375,404.02x = 110,912,589,287.48
5. Step 5: Solve for x
   x = 110,912,589,287.48/375,404.02
6. Step 6: Final answer
   x = 295,448.59