Finding the Fourth Proportional to 159,061.38, 219,505.14 and 91,079.37

Step by Step Solution

1. Step 1: Write the proportion equation
   159,061.38 : 219,505.14 = 91,079.37 : x
2. Step 2: Convert to fraction form
   159,061.38/219,505.14 = 91,079.37/x
3. Step 3: Cross multiply
   159,061.38x = 219,505.14 × 91,079.37
4. Step 4: Simplify right side
   159,061.38x = 19,992,389,862.96
5. Step 5: Solve for x
   x = 19,992,389,862.96/159,061.38
6. Step 6: Final answer
   x = 125,689.78