Finding the Fourth Proportional to 159,055.82, 219,501.25 and 86,463.61

Step by Step Solution

1. Step 1: Write the proportion equation
   159,055.82 : 219,501.25 = 86,463.61 : x
2. Step 2: Convert to fraction form
   159,055.82/219,501.25 = 86,463.61/x
3. Step 3: Cross multiply
   159,055.82x = 219,501.25 × 86,463.61
4. Step 4: Simplify right side
   159,055.82x = 18,978,870,134.52
5. Step 5: Solve for x
   x = 18,978,870,134.52/159,055.82
6. Step 6: Final answer
   x = 119,322.07