Finding the Fourth Proportional to 159,111.09, 219,574.67 and 91,134.27

Step by Step Solution

1. Step 1: Write the proportion equation
   159,111.09 : 219,574.67 = 91,134.27 : x
2. Step 2: Convert to fraction form
   159,111.09/219,574.67 = 91,134.27/x
3. Step 3: Cross multiply
   159,111.09x = 219,574.67 × 91,134.27
4. Step 4: Simplify right side
   159,111.09x = 20,010,776,805.27
5. Step 5: Solve for x
   x = 20,010,776,805.27/159,111.09
6. Step 6: Final answer
   x = 125,766.07