Finding the Fourth Proportional to 258,499.74, 356,554.30 and 167,693.42

Step by Step Solution

1. Step 1: Write the proportion equation
   258,499.74 : 356,554.30 = 167,693.42 : x
2. Step 2: Convert to fraction form
   258,499.74/356,554.30 = 167,693.42/x
3. Step 3: Cross multiply
   258,499.74x = 356,554.30 × 167,693.42
4. Step 4: Simplify right side
   258,499.74x = 59,791,809,982.71
5. Step 5: Solve for x
   x = 59,791,809,982.71/258,499.74
6. Step 6: Final answer
   x = 231,303.17