Finding the Fourth Proportional to 168,684.14, 253,067.72 and 118,861.50

Step by Step Solution

1. Step 1: Write the proportion equation
   168,684.14 : 253,067.72 = 118,861.50 : x
2. Step 2: Convert to fraction form
   168,684.14/253,067.72 = 118,861.50/x
3. Step 3: Cross multiply
   168,684.14x = 253,067.72 × 118,861.50
4. Step 4: Simplify right side
   168,684.14x = 30,080,008,800.78
5. Step 5: Solve for x
   x = 30,080,008,800.78/168,684.14
6. Step 6: Final answer
   x = 178,321.50