Finding the Fourth Proportional to 167,182.56, 230,715.96 and 91,731

Step by Step Solution

1. Step 1: Write the proportion equation
   167,182.56 : 230,715.96 = 91,731 : x
2. Step 2: Convert to fraction form
   167,182.56/230,715.96 = 91,731/x
3. Step 3: Cross multiply
   167,182.56x = 230,715.96 × 91,731
4. Step 4: Simplify right side
   167,182.56x = 21,163,805,726.76
5. Step 5: Solve for x
   x = 21,163,805,726.76/167,182.56
6. Step 6: Final answer
   x = 126,590.99