Finding the Fourth Proportional to 167,976.45, 231,807.82 and 91,495.31

Step by Step Solution

1. Step 1: Write the proportion equation
   167,976.45 : 231,807.82 = 91,495.31 : x
2. Step 2: Convert to fraction form
   167,976.45/231,807.82 = 91,495.31/x
3. Step 3: Cross multiply
   167,976.45x = 231,807.82 × 91,495.31
4. Step 4: Simplify right side
   167,976.45x = 21,209,328,351.32
5. Step 5: Solve for x
   x = 21,209,328,351.32/167,976.45
6. Step 6: Final answer
   x = 126,263.70