Finding the Fourth Proportional to 117,789.24, 162,546.24 and 67,485

Step by Step Solution

1. Step 1: Write the proportion equation
   117,789.24 : 162,546.24 = 67,485 : x
2. Step 2: Convert to fraction form
   117,789.24/162,546.24 = 67,485/x
3. Step 3: Cross multiply
   117,789.24x = 162,546.24 × 67,485
4. Step 4: Simplify right side
   117,789.24x = 10,969,433,006.40
5. Step 5: Solve for x
   x = 10,969,433,006.40/117,789.24
6. Step 6: Final answer
   x = 93,127.63