Finding the Fourth Proportional to 375,960.61, 518,777.83 and 214,826.09

Step by Step Solution

1. Step 1: Write the proportion equation
   375,960.61 : 518,777.83 = 214,826.09 : x
2. Step 2: Convert to fraction form
   375,960.61/518,777.83 = 214,826.09/x
3. Step 3: Cross multiply
   375,960.61x = 518,777.83 × 214,826.09
4. Step 4: Simplify right side
   375,960.61x = 111,447,011,723.45
5. Step 5: Solve for x
   x = 111,447,011,723.45/375,960.61
6. Step 6: Final answer
   x = 296,432.68