Finding the Fourth Proportional to 158,071.37, 218,158.34 and 103,669.25

Step by Step Solution

1. Step 1: Write the proportion equation
   158,071.37 : 218,158.34 = 103,669.25 : x
2. Step 2: Convert to fraction form
   158,071.37/218,158.34 = 103,669.25/x
3. Step 3: Cross multiply
   158,071.37x = 218,158.34 × 103,669.25
4. Step 4: Simplify right side
   158,071.37x = 22,616,309,879.91
5. Step 5: Solve for x
   x = 22,616,309,879.91/158,071.37
6. Step 6: Final answer
   x = 143,076.58