Finding the Fourth Proportional to 258,499.86, 356,554.47 and 167,693.55

Step by Step Solution

1. Step 1: Write the proportion equation
   258,499.86 : 356,554.47 = 167,693.55 : x
2. Step 2: Convert to fraction form
   258,499.86/356,554.47 = 167,693.55/x
3. Step 3: Cross multiply
   258,499.86x = 356,554.47 × 167,693.55
4. Step 4: Simplify right side
   258,499.86x = 59,791,884,842.67
5. Step 5: Solve for x
   x = 59,791,884,842.67/258,499.86
6. Step 6: Final answer
   x = 231,303.35