Finding the Fourth Proportional to 172,684.63, 259,174.56 and 67,577.41

Step by Step Solution

1. Step 1: Write the proportion equation
   172,684.63 : 259,174.56 = 67,577.41 : x
2. Step 2: Convert to fraction form
   172,684.63/259,174.56 = 67,577.41/x
3. Step 3: Cross multiply
   172,684.63x = 259,174.56 × 67,577.41
4. Step 4: Simplify right side
   172,684.63x = 17,514,345,502.69
5. Step 5: Solve for x
   x = 17,514,345,502.69/172,684.63
6. Step 6: Final answer
   x = 101,423.88