Finding the Fourth Proportional to 258,991.45, 357,408.83 and 150,116.83

Step by Step Solution

1. Step 1: Write the proportion equation
   258,991.45 : 357,408.83 = 150,116.83 : x
2. Step 2: Convert to fraction form
   258,991.45/357,408.83 = 150,116.83/x
3. Step 3: Cross multiply
   258,991.45x = 357,408.83 × 150,116.83
4. Step 4: Simplify right side
   258,991.45x = 53,653,080,055.38
5. Step 5: Solve for x
   x = 53,653,080,055.38/258,991.45
6. Step 6: Final answer
   x = 207,161.59