Finding the Fourth Proportional to 143,150.25, 197,565.57 and 86,562.03

Step by Step Solution

1. Step 1: Write the proportion equation
   143,150.25 : 197,565.57 = 86,562.03 : x
2. Step 2: Convert to fraction form
   143,150.25/197,565.57 = 86,562.03/x
3. Step 3: Cross multiply
   143,150.25x = 197,565.57 × 86,562.03
4. Step 4: Simplify right side
   143,150.25x = 17,101,676,797.31
5. Step 5: Solve for x
   x = 17,101,676,797.31/143,150.25
6. Step 6: Final answer
   x = 119,466.62