Finding the Fourth Proportional to 201,632.72, 302,238.06 and 75,222.09

Step by Step Solution

1. Step 1: Write the proportion equation
   201,632.72 : 302,238.06 = 75,222.09 : x
2. Step 2: Convert to fraction form
   201,632.72/302,238.06 = 75,222.09/x
3. Step 3: Cross multiply
   201,632.72x = 302,238.06 × 75,222.09
4. Step 4: Simplify right side
   201,632.72x = 22,734,978,550.75
5. Step 5: Solve for x
   x = 22,734,978,550.75/201,632.72
6. Step 6: Final answer
   x = 112,754.41