Finding the Fourth Proportional to 151,067.83, 226,701.57 and 71,128.66

Step by Step Solution

1. Step 1: Write the proportion equation
   151,067.83 : 226,701.57 = 71,128.66 : x
2. Step 2: Convert to fraction form
   151,067.83/226,701.57 = 71,128.66/x
3. Step 3: Cross multiply
   151,067.83x = 226,701.57 × 71,128.66
4. Step 4: Simplify right side
   151,067.83x = 16,124,978,894.00
5. Step 5: Solve for x
   x = 16,124,978,894.00/151,067.83
6. Step 6: Final answer
   x = 106,739.99