Finding the Fourth Proportional to 654,119.10, 981,150.66 and 204,830.01

Step by Step Solution

1. Step 1: Write the proportion equation
   654,119.10 : 981,150.66 = 204,830.01 : x
2. Step 2: Convert to fraction form
   654,119.10/981,150.66 = 204,830.01/x
3. Step 3: Cross multiply
   654,119.10x = 981,150.66 × 204,830.01
4. Step 4: Simplify right side
   654,119.10x = 200,969,099,499.31
5. Step 5: Solve for x
   x = 200,969,099,499.31/654,119.10
6. Step 6: Final answer
   x = 307,236.25