Finding the Fourth Proportional to 258,499.37, 356,553.78 and 167,693.05

Step by Step Solution

1. Step 1: Write the proportion equation
   258,499.37 : 356,553.78 = 167,693.05 : x
2. Step 2: Convert to fraction form
   258,499.37/356,553.78 = 167,693.05/x
3. Step 3: Cross multiply
   258,499.37x = 356,553.78 × 167,693.05
4. Step 4: Simplify right side
   258,499.37x = 59,791,590,857.23
5. Step 5: Solve for x
   x = 59,791,590,857.23/258,499.37
6. Step 6: Final answer
   x = 231,302.66