Finding the Fourth Proportional to 375,620.72, 518,370.72 and 214,477.16

Step by Step Solution

1. Step 1: Write the proportion equation
   375,620.72 : 518,370.72 = 214,477.16 : x
2. Step 2: Convert to fraction form
   375,620.72/518,370.72 = 214,477.16/x
3. Step 3: Cross multiply
   375,620.72x = 518,370.72 × 214,477.16
4. Step 4: Simplify right side
   375,620.72x = 111,178,679,852.76
5. Step 5: Solve for x
   x = 111,178,679,852.76/375,620.72
6. Step 6: Final answer
   x = 295,986.55