Finding the Fourth Proportional to 143,667.81, 198,159.62 and 122,008.01

Step by Step Solution

1. Step 1: Write the proportion equation
   143,667.81 : 198,159.62 = 122,008.01 : x
2. Step 2: Convert to fraction form
   143,667.81/198,159.62 = 122,008.01/x
3. Step 3: Cross multiply
   143,667.81x = 198,159.62 × 122,008.01
4. Step 4: Simplify right side
   143,667.81x = 24,177,059,297.72
5. Step 5: Solve for x
   x = 24,177,059,297.72/143,667.81
6. Step 6: Final answer
   x = 168,284.46