Finding the Fourth Proportional to 172,067.72, 236,904.18 and 146,815.88

Step by Step Solution

1. Step 1: Write the proportion equation
   172,067.72 : 236,904.18 = 146,815.88 : x
2. Step 2: Convert to fraction form
   172,067.72/236,904.18 = 146,815.88/x
3. Step 3: Cross multiply
   172,067.72x = 236,904.18 × 146,815.88
4. Step 4: Simplify right side
   172,067.72x = 34,781,295,662.38
5. Step 5: Solve for x
   x = 34,781,295,662.38/172,067.72
6. Step 6: Final answer
   x = 202,137.25