Finding the Fourth Proportional to 252,443.98, 378,938.94 and 224,542.72

Step by Step Solution

1. Step 1: Write the proportion equation
   252,443.98 : 378,938.94 = 224,542.72 : x
2. Step 2: Convert to fraction form
   252,443.98/378,938.94 = 224,542.72/x
3. Step 3: Cross multiply
   252,443.98x = 378,938.94 × 224,542.72
4. Step 4: Simplify right side
   252,443.98x = 85,087,980,301.52
5. Step 5: Solve for x
   x = 85,087,980,301.52/252,443.98
6. Step 6: Final answer
   x = 337,056.88