Finding the Fourth Proportional to 654,411.39, 981,588.53 and 205,122

Step by Step Solution

1. Step 1: Write the proportion equation
   654,411.39 : 981,588.53 = 205,122 : x
2. Step 2: Convert to fraction form
   654,411.39/981,588.53 = 205,122/x
3. Step 3: Cross multiply
   654,411.39x = 981,588.53 × 205,122
4. Step 4: Simplify right side
   654,411.39x = 201,345,401,425.05
5. Step 5: Solve for x
   x = 201,345,401,425.05/654,411.39
6. Step 6: Final answer
   x = 307,674.05