Finding the Fourth Proportional to 172,091.82, 237,554.46 and 108,417.72

Step by Step Solution

1. Step 1: Write the proportion equation
   172,091.82 : 237,554.46 = 108,417.72 : x
2. Step 2: Convert to fraction form
   172,091.82/237,554.46 = 108,417.72/x
3. Step 3: Cross multiply
   172,091.82x = 237,554.46 × 108,417.72
4. Step 4: Simplify right side
   172,091.82x = 25,755,112,929.03
5. Step 5: Solve for x
   x = 25,755,112,929.03/172,091.82
6. Step 6: Final answer
   x = 149,659.14