Finding the Fourth Proportional to 375,938.61, 518,747.33 and 214,804.10

Step by Step Solution

1. Step 1: Write the proportion equation
   375,938.61 : 518,747.33 = 214,804.10 : x
2. Step 2: Convert to fraction form
   375,938.61/518,747.33 = 214,804.10/x
3. Step 3: Cross multiply
   375,938.61x = 518,747.33 × 214,804.10
4. Step 4: Simplify right side
   375,938.61x = 111,429,049,680.30
5. Step 5: Solve for x
   x = 111,429,049,680.30/375,938.61
6. Step 6: Final answer
   x = 296,402.25