Finding the Fourth Proportional to 143,179.10, 197,686 and 89,488.24

Step by Step Solution

1. Step 1: Write the proportion equation
   143,179.10 : 197,686 = 89,488.24 : x
2. Step 2: Convert to fraction form
   143,179.10/197,686 = 89,488.24/x
3. Step 3: Cross multiply
   143,179.10x = 197,686 × 89,488.24
4. Step 4: Simplify right side
   143,179.10x = 17,690,572,212.64
5. Step 5: Solve for x
   x = 17,690,572,212.64/143,179.10
6. Step 6: Final answer
   x = 123,555.55