Finding the Fourth Proportional to 117,047.76, 161,524.72 and 63,331.60

Step by Step Solution

1. Step 1: Write the proportion equation
   117,047.76 : 161,524.72 = 63,331.60 : x
2. Step 2: Convert to fraction form
   117,047.76/161,524.72 = 63,331.60/x
3. Step 3: Cross multiply
   117,047.76x = 161,524.72 × 63,331.60
4. Step 4: Simplify right side
   117,047.76x = 10,229,618,957.15
5. Step 5: Solve for x
   x = 10,229,618,957.15/117,047.76
6. Step 6: Final answer
   x = 87,396.96