Finding the Fourth Proportional to 167,513.59, 231,171.01 and 91,034.20

Step by Step Solution

1. Step 1: Write the proportion equation
   167,513.59 : 231,171.01 = 91,034.20 : x
2. Step 2: Convert to fraction form
   167,513.59/231,171.01 = 91,034.20/x
3. Step 3: Cross multiply
   167,513.59x = 231,171.01 × 91,034.20
4. Step 4: Simplify right side
   167,513.59x = 21,044,467,503.37
5. Step 5: Solve for x
   x = 21,044,467,503.37/167,513.59
6. Step 6: Final answer
   x = 125,628.42