Finding the Fourth Proportional to 167,783.82, 231,538.68 and 91,300.32

Step by Step Solution

1. Step 1: Write the proportion equation
   167,783.82 : 231,538.68 = 91,300.32 : x
2. Step 2: Convert to fraction form
   167,783.82/231,538.68 = 91,300.32/x
3. Step 3: Cross multiply
   167,783.82x = 231,538.68 × 91,300.32
4. Step 4: Simplify right side
   167,783.82x = 21,139,555,576.38
5. Step 5: Solve for x
   x = 21,139,555,576.38/167,783.82
6. Step 6: Final answer
   x = 125,992.81