Finding the Fourth Proportional to 158,601.47, 218,834.59 and 90,596.71

Step by Step Solution

1. Step 1: Write the proportion equation
   158,601.47 : 218,834.59 = 90,596.71 : x
2. Step 2: Convert to fraction form
   158,601.47/218,834.59 = 90,596.71/x
3. Step 3: Cross multiply
   158,601.47x = 218,834.59 × 90,596.71
4. Step 4: Simplify right side
   158,601.47x = 19,825,693,114.62
5. Step 5: Solve for x
   x = 19,825,693,114.62/158,601.47
6. Step 6: Final answer
   x = 125,003.21