Finding the Fourth Proportional to 117,078.52, 161,568.56 and 63,363.60

Step by Step Solution

1. Step 1: Write the proportion equation
   117,078.52 : 161,568.56 = 63,363.60 : x
2. Step 2: Convert to fraction form
   117,078.52/161,568.56 = 63,363.60/x
3. Step 3: Cross multiply
   117,078.52x = 161,568.56 × 63,363.60
4. Step 4: Simplify right side
   117,078.52x = 10,237,565,608.42
5. Step 5: Solve for x
   x = 10,237,565,608.42/117,078.52
6. Step 6: Final answer
   x = 87,441.88