Finding the Fourth Proportional to 653,945.82, 980,389.35 and 204,435.24

Step by Step Solution

1. Step 1: Write the proportion equation
   653,945.82 : 980,389.35 = 204,435.24 : x
2. Step 2: Convert to fraction form
   653,945.82/980,389.35 = 204,435.24/x
3. Step 3: Cross multiply
   653,945.82x = 980,389.35 × 204,435.24
4. Step 4: Simplify right side
   653,945.82x = 200,426,132,060.69
5. Step 5: Solve for x
   x = 200,426,132,060.69/653,945.82
6. Step 6: Final answer
   x = 306,487.37