Finding the Fourth Proportional to 117,485, 162,124.96 and 63,768.87

Step by Step Solution

1. Step 1: Write the proportion equation
   117,485 : 162,124.96 = 63,768.87 : x
2. Step 2: Convert to fraction form
   117,485/162,124.96 = 63,768.87/x
3. Step 3: Cross multiply
   117,485x = 162,124.96 × 63,768.87
4. Step 4: Simplify right side
   117,485x = 10,338,525,498.00
5. Step 5: Solve for x
   x = 10,338,525,498.00/117,485
6. Step 6: Final answer
   x = 87,998.68