Finding the Fourth Proportional to 143,502.72, 198,061.16 and 95,019.12

Step by Step Solution

1. Step 1: Write the proportion equation
   143,502.72 : 198,061.16 = 95,019.12 : x
2. Step 2: Convert to fraction form
   143,502.72/198,061.16 = 95,019.12/x
3. Step 3: Cross multiply
   143,502.72x = 198,061.16 × 95,019.12
4. Step 4: Simplify right side
   143,502.72x = 18,819,597,129.38
5. Step 5: Solve for x
   x = 18,819,597,129.38/143,502.72
6. Step 6: Final answer
   x = 131,144.53