Finding the Fourth Proportional to 164,507.47, 227,016.12 and 91,910.91

Step by Step Solution

1. Step 1: Write the proportion equation
   164,507.47 : 227,016.12 = 91,910.91 : x
2. Step 2: Convert to fraction form
   164,507.47/227,016.12 = 91,910.91/x
3. Step 3: Cross multiply
   164,507.47x = 227,016.12 × 91,910.91
4. Step 4: Simplify right side
   164,507.47x = 20,865,258,173.87
5. Step 5: Solve for x
   x = 20,865,258,173.87/164,507.47
6. Step 6: Final answer
   x = 126,834.72