Finding the Fourth Proportional to 166,614.05, 229,926.24 and 91,162.55

Step by Step Solution

1. Step 1: Write the proportion equation
   166,614.05 : 229,926.24 = 91,162.55 : x
2. Step 2: Convert to fraction form
   166,614.05/229,926.24 = 91,162.55/x
3. Step 3: Cross multiply
   166,614.05x = 229,926.24 × 91,162.55
4. Step 4: Simplify right side
   166,614.05x = 20,960,661,200.68
5. Step 5: Solve for x
   x = 20,960,661,200.68/166,614.05
6. Step 6: Final answer
   x = 125,803.69