Finding the Fourth Proportional to 158,185.24, 218,296.50 and 89,275.28

Step by Step Solution

1. Step 1: Write the proportion equation
   158,185.24 : 218,296.50 = 89,275.28 : x
2. Step 2: Convert to fraction form
   158,185.24/218,296.50 = 89,275.28/x
3. Step 3: Cross multiply
   158,185.24x = 218,296.50 × 89,275.28
4. Step 4: Simplify right side
   158,185.24x = 19,488,481,160.52
5. Step 5: Solve for x
   x = 19,488,481,160.52/158,185.24
6. Step 6: Final answer
   x = 123,200.38