Finding the Fourth Proportional to 143,167.02, 197,669.34 and 89,476.17

Step by Step Solution

1. Step 1: Write the proportion equation
   143,167.02 : 197,669.34 = 89,476.17 : x
2. Step 2: Convert to fraction form
   143,167.02/197,669.34 = 89,476.17/x
3. Step 3: Cross multiply
   143,167.02x = 197,669.34 × 89,476.17
4. Step 4: Simplify right side
   143,167.02x = 17,686,695,469.63
5. Step 5: Solve for x
   x = 17,686,695,469.63/143,167.02
6. Step 6: Final answer
   x = 123,538.90