Finding the Fourth Proportional to 221,082.83, 305,007.69 and 136,052.27

Step by Step Solution

1. Step 1: Write the proportion equation
   221,082.83 : 305,007.69 = 136,052.27 : x
2. Step 2: Convert to fraction form
   221,082.83/305,007.69 = 136,052.27/x
3. Step 3: Cross multiply
   221,082.83x = 305,007.69 × 136,052.27
4. Step 4: Simplify right side
   221,082.83x = 41,496,987,066.92
5. Step 5: Solve for x
   x = 41,496,987,066.92/221,082.83
6. Step 6: Final answer
   x = 187,698.83