Finding the Fourth Proportional to 258,498.86, 356,553.09 and 167,692.55

Step by Step Solution

1. Step 1: Write the proportion equation
   258,498.86 : 356,553.09 = 167,692.55 : x
2. Step 2: Convert to fraction form
   258,498.86/356,553.09 = 167,692.55/x
3. Step 3: Cross multiply
   258,498.86x = 356,553.09 × 167,692.55
4. Step 4: Simplify right side
   258,498.86x = 59,791,295,981.10
5. Step 5: Solve for x
   x = 59,791,295,981.10/258,498.86
6. Step 6: Final answer
   x = 231,301.97