Finding the Fourth Proportional to 245,562.72, 337,905.72 and 205,146.96

Step by Step Solution

1. Step 1: Write the proportion equation
   245,562.72 : 337,905.72 = 205,146.96 : x
2. Step 2: Convert to fraction form
   245,562.72/337,905.72 = 205,146.96/x
3. Step 3: Cross multiply
   245,562.72x = 337,905.72 × 205,146.96
4. Step 4: Simplify right side
   245,562.72x = 69,320,331,224.61
5. Step 5: Solve for x
   x = 69,320,331,224.61/245,562.72
6. Step 6: Final answer
   x = 282,291.76