Finding the Fourth Proportional to 143,051.21, 197,401.48 and 89,333.02

Step by Step Solution

1. Step 1: Write the proportion equation
   143,051.21 : 197,401.48 = 89,333.02 : x
2. Step 2: Convert to fraction form
   143,051.21/197,401.48 = 89,333.02/x
3. Step 3: Cross multiply
   143,051.21x = 197,401.48 × 89,333.02
4. Step 4: Simplify right side
   143,051.21x = 17,634,469,644.03
5. Step 5: Solve for x
   x = 17,634,469,644.03/143,051.21
6. Step 6: Final answer
   x = 123,273.83