Finding the Fourth Proportional to 117,616, 162,320.32 and 64,634.24

Step by Step Solution

1. Step 1: Write the proportion equation
   117,616 : 162,320.32 = 64,634.24 : x
2. Step 2: Convert to fraction form
   117,616/162,320.32 = 64,634.24/x
3. Step 3: Cross multiply
   117,616x = 162,320.32 × 64,634.24
4. Step 4: Simplify right side
   117,616x = 10,491,450,519.76
5. Step 5: Solve for x
   x = 10,491,450,519.76/117,616
6. Step 6: Final answer
   x = 89,200.88