Finding the Fourth Proportional to 117,362.72, 161,958.48 and 67,060.64

Step by Step Solution

1. Step 1: Write the proportion equation
   117,362.72 : 161,958.48 = 67,060.64 : x
2. Step 2: Convert to fraction form
   117,362.72/161,958.48 = 67,060.64/x
3. Step 3: Cross multiply
   117,362.72x = 161,958.48 × 67,060.64
4. Step 4: Simplify right side
   117,362.72x = 10,861,039,322.23
5. Step 5: Solve for x
   x = 10,861,039,322.23/117,362.72
6. Step 6: Final answer
   x = 92,542.50