Finding the Fourth Proportional to 158,051.48, 218,114.83 and 90,067

Step by Step Solution

1. Step 1: Write the proportion equation
   158,051.48 : 218,114.83 = 90,067 : x
2. Step 2: Convert to fraction form
   158,051.48/218,114.83 = 90,067/x
3. Step 3: Cross multiply
   158,051.48x = 218,114.83 × 90,067
4. Step 4: Simplify right side
   158,051.48x = 19,644,948,393.61
5. Step 5: Solve for x
   x = 19,644,948,393.61/158,051.48
6. Step 6: Final answer
   x = 124,294.62